Answer:
Your answer is onomatopoeia.
Which part? If you mean the first part, then "The shelves were empty" is an independent clause.
First, I'm going to highlight all the adverbs in the options:
A. Lucy quickly hid behind the tree.
B. Mr. Dodge moved in an extremely slow manner.
C. Jacob was a very smart boy.
D. The dress was terribly old
Adverbs can modify verbs or adjectives, and in options B, C and D it is adjectives that are modified: slow, smart, old.
The correct answer is A: in option A the adverb modifies a verb
okay what type of writing is this !!
Explanation: