C) Cómo estás? Is the answer. Cómo estás? Bien, ¿y tú?
usually, the second verb does not need to be conjugated so the <em>first answer </em>makes sense
also, in the question necesitas is conjugated while estudiar remains in the infinitive (not conjugated) so our response/answer would make sense if necesitas was conjugated and esutdiar remains in the infinitive
Answer: The answer is C. It translates to "hiking".
Explanation: