In the following questions, four alternatives are given for the idiom / phrase and bold italicised in the sentence. Choose the alternative which best expresses the meaning of the idiom / phrase.

Where discipline is concerned I put my foot down .

A. take a firm stand

B. take a light stand

C. take a heavy stand

D. take a shaky stand

Please do not use chat terms. Example: avoid using "grt" instead of "great".