Answer:
D.
Step-by-step explanation:
A verb is a word used to describe an action or state in sentence.
The meaning of word 'compact' as a verb is to 'join or pack closely together, or to make firm or stable.'
From the given options, the statement in which 'compact' is used as a verb is in option D. In that statement, it describes the action performed by Mr. Jameson of 'packing or consolidating' of trash into the big plastic bin.
Thus the correct answer is option D.