16.

Answer and Explanation

Your Answer is

Correct Answer is H

Explanation

According to the meaning of the sentence, here are three nouns, Noun 1: the tap dance of Linotype keys, Noun 2: the pungent scents of printing ink and cleaning chemicals, Noun 3: the slapping sound of the rollers dripping with ink, The format of three words juxtaposed is: N1, N2, and N3, so H is correct.