In which one of these sentences does an adverb modify a verb?
A. The dress was terribly old.
B. Jacob was a very smart boy.
C. Mr. Dodge moved in an extremely slow manner.
D. Lucy quickly hid behind the tree
A: terribly: modifies old, an adjective B: very smart: very modifies smart, an adjective C; extremely modifies "slow", an adjective again D: quickly modifies "hid" a verb - this is the correct answer!