Which sentence contains an adverb clause?

A.
Tommy, who is interested in design, wants to be an architect someday.

B.
Tommy's father, who often works on weekends, is a carpenter.

C.
Tommy helped hammer nails until his hands ached.

D.
Tommy's father sometimes wears goggles that protect his eyes.

Question

Which sentence contains an adverb clause?	
 
 A.
Tommy, who is interested in design, wants to be an architect someday.
 
 B.
Tommy's father, who often works on weekends, is a carpenter.
 
 C.
Tommy helped hammer nails until his hands ached.
 
 D.
Tommy's father sometimes wears goggles that protect his eyes.

anonymous · Answer

C.  Tommy helped hammer nails until his hands ached.