American women usually consider their best friends as someone ________ they can turn when in trouble.
A.to which
B.on whom
C.to whom
D.with whom
网友回答
C解析考察定语从句,先行词是someone,定语从句中词组是turn to sb for help,少介词to,所以用to whom引导定语从句,句子的意思是美国女性通常认为她们最好的朋友是在困难时可以求助的人,故选择C