Answer: The correct answer is : deeply
Explanation: The adverb is the part of the sentence that accompanies the verb and gives it a special characteristic, they also fulfill the function of modifying the adjective or another adverb. Adverbs according to their meaning are classified into: Of place, of time, of way, of quantity, of affirmation, of negation, of doubt, interrogative and relative. In this case deeply is an adverb so that it indicates the way in which the action of the verb is carried out.