【题目】The engineers are so busy that they have zero time for outdoor sports activities, ______ they have the interest.
A.wherever
B.whenever
C.even if
D.as if

【答案】C
【解析】A. wherever无论什么地方；B. whenever无论何时；C. even if即使，尽管（引导让步状语从句）；D. as if似乎，好像（引导方式状语从句）；句意：工程师们如此忙碌，以至于没时间参加户外活动，即使他们对参加户外活动很感兴趣。根据句意，故选C。