In the following question, four alternatives are given for the idiom/phrase in bold and italics in the sentence. Choose the alternative which best expresses the meaning of idiom/phrase.
While chatting with Janet, I threw in a question, just to keep the pot boiling while my brain caught up.
Keep the conversation alive
Boil Janet
Boil the question
Keep my brain hot
Correct answer is A
No explanation has been provided for this answer.