Which sentence contains an adverb clause?

A.
Mom put the leftovers in the refrigerator for tomorrow's lunch.

B.

Mom prepared ham with pineapple slices, rice, and corn on the cob for dinner.

C.
Before you go to bed, make sure the oven is turned off.

D.
My mom grows many kinds of herbs in our backyard garden.

Question

Which sentence contains an adverb clause? 	
	
 
A.
	Mom put the leftovers in the refrigerator for tomorrow's lunch.
	
 
B.
	

Mom prepared ham with pineapple slices, rice, and corn on the cob for dinner.
	
 
C.
	Before you go to bed, make sure the oven is turned off.
	
 
D.
	My mom grows many kinds of herbs in our backyard garden.

anonymous · Answer

It is not B or D. I am stuck between A and C. I am 98% sure it's C.

anonymous · Answer

thanks