Q. In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.To have something on the brain
A) To be ready with an immediate smart witty reply
B) To be obsessed with something
C) To think wistfully about past life
D) To unable to solve a particularly difficult philosophical problem
โ Correct Answer: To be obsessed with something
Exam Insight
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