下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选择。
Racial Prejudice
In some countries where racial prejucide is acute, violence has been taken for granted as a means of solving differences; and this is not even questioned. There are countries _________(51) the white man imposes his rude by brute (粗暴) force; there are countries where the black man protests by _(52) fire to cities and by looting and pillaging(抢夺). Important people on both sides, who would in other respects appear to be reasonable men, get up and calmly argue in_________(53) of violence as if it were a legitimate (合法的) solution, _________(54) any other. What is really frightening, what really _________(55) you with despair, is the realization that when it comes to the crunch(关键时刻), we have made no actual _________(56) at all. We may wear collars and ties instead of war-paint, but our insticts remain basically unchanged. The whole of the recorded _________(57) of the human race, that tedious documentation of violence, has taught us absolutely nothing. We have still not learnt that_________(58) never solves a problem but makes it more acute. The sheer horror, the bloodshed and the suffering _________(59) nothing. No solution ever comes to _________(60) the moming after when we dismally(阴郁地) contemplate the smoking ruins and wonder what hit us.
The truly reasonable men who _________(61) where the solutions lie are finding it harder and harder to get a hearing. They are despised, mistrusted and even persecuted _________(62) their own kind because they advocate such apparently outrageous things as low enforcement. If half the energy that goes into _________(63) acts were put to good use, if our efforts were directed at_________(64) up the slums and ghettos (贫民窟), at improving living-standards and providing education and employment for all, we would not have gone a long way to _________(65) at a solution.
51. A. where B. what C. why D. when
52. A. fighting B. returning C. catching D. setting
53. A. spite B. memory C. need D. favor
54. A. to B. through C. like D. as
55. A. fills B. puts C. forces D. sets
56. A. progress B. decision C. point D. sense
57. A. system B. history C. range D. business
58. A. argument B. violence C. talk D. research
59. A. deal B. have C. mean D. want
60. A. light B. life C. end D. mind
61. A. suggest B. demand C. consider D. know
62. A. by B. for C. with D. of
63. A. final B. lawful C. violent D. symbolic
64. A. looking B. getting C. taking D. cleaning
65. A. meeting B. laughing C. startling D. arriving