Idioms and Phrases - Verbal and Reasoning

In the following questions four alternatives are given for the idiom/phraseitalicised and underlinedin the sentence. Choose the alternative which best expresses the meaning of idiom/phrase.
Q1:

It was he who put a spoke in my wheel.

A tried to cause an accident

B helped in the execution of the plan

C thwarted in the execution of the plan

D destroyed the plan

ANS:C - thwarted in the execution of the plan

No answer description is available.