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The statement which is logically equivalent to A∧ (and) B is?

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The statement which is logically equivalent to A∧ (and) B is?

(a) A->B

(b) ~A ∧ ~ B

(c) A ∧ ~B

(d) ~(A->~B)

I got this question in an internship interview.

This is a very interesting question from Logics topic in chapter The Foundation: Logics and Proofs of Discrete Mathematics

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Correct answer is (d) ~(A->~B)

For explanation I would say: The truth table of both statements are same.

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