Match or surpass a person by imitation.Emulate(अनुसरण करना) = to match
Right Answer is: B
Emulate(अनुसरण करना) = to match or surpass (a person or achievement), typically by imitation.
Ditto(ठीक इसी तरह से) = a mark used to indicate the word above it should be repeated.
Impression(धारणा) = a vague idea in which some confidence is placed.
Hence, option B is the correct answer.