It was ______ that I asked Holmes to remain for the evening.

It was ______ that I asked Holmes to remain for the evening.
A、in case
B、in effect
C、in vain
D、in view
【正确答案】：C
【题目解析】：本题考查词组词义辨析。A.in case：万一；B.in effect：实际上，生效；C.in vain：徒劳；D.in view：在视野范围内。根据题意，“我叫霍蒙斯晚上留下来是不可能的。”只有C合适。答案为C。