My sister was against my suggestion while my brother was it.
A. in honor of
B. in memory of
C. in search of
D. in favor of
网友回答
A. in honor of
B. in memory of
C. in search of
(答案→)D. in favor of
解析：句意：我的姐姐反对我的建议而我的弟弟却支持我的建议。be against 反对；这里while表示前后是对比关系；A. in honor of为庆祝； B. in memory of 纪念； C. in search of寻找； D. in favor of支持，同意。根据句意故选D。