He has got himself into a dangerous situation he is likely to lose control over the plan.

问题补充：

He has got himself into a dangerous situation he is likely to lose control over the plan.

A. where

B. which

C. where

D. why

答案：

(答案→)A. where

B. which

C. where

D. why

解析：situation, case , point, 等词后常用where引导定语从句 ; occasion 后常用when 引导定语从句。