In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
A red rag to a bull

Options

A. A few inspirational words can do wonderful things.
B. An object, utterance, or act which is certain to provoke someone.
C. A signal or symbol used to warn a person.
D. All prepared and waiting for the signal to start.

Answer

A, B, C