My mother is against my suggestion while my father is it.
A. in need of
B. in face of
C. in favor of
D. in place of
网友回答
A. in need of
B. in face of
(答案→)C. in favor of
D. in place of
解析：考查介词短语：A. in need of需要B. in face of面对C. in favor of支持D. in place of代替，句意：我妈妈反对这个建议而我爸爸赞同。选C。