In the following question, an idiomatic expression or a proverb is highlighted. Select the alternative which best describes its use in the sentence.
He backed out of the agreement.

Options

A. gave his full support
B. reconsidered the point
C. withdrew his support from
D. went through the back door

Answer

C

Explanation

(3) back out (Phr.V.) : to withdraw from something
Here, withdrew his support from is the right usage.