问题补充:
Hundreds of people gave their lives in of freedom.
A. protection
B. guard
C. defense
D. favor
答案:
A. protection
B. guard
(答案→)C. defense
D. favor
解析:短语辨析.in protection of 在保护;in guard of 在警卫; in defense of为保证……; in favor of有利于;支持。根据题意,为了自由,许许多多的人们显出了他们的生命。故选C。