Question

He's got himself into a dangerous situation ________ he is likely to lose control over the plane．

A. where
B. which
C. while
D. why

Answer 1

答案A
先行词situation作“处境”讲，引导定语从句是使用关系代词还是使用关系副词，决定于关系词在从句中所担任的成分。此题的关系词在从句中担任状语，故选A项。C、D两项的while, why不具有引导定语从句的句法功能。