Which sentence contains an adverb clause?

A.
That book, which has an unexpected ending, is one of my favorites.

B.
Before we went outside, we finished all of our assignments.

C.
The drawing that Chelsea made for her mother is pretty.

D.
Does the neighbor whose dog is missing need help searching for it?
My Answer: A or B

Question

Which sentence contains an adverb clause?	
 
 A.
That book, which has an unexpected ending, is one of my favorites.
 
 B.
Before we went outside, we finished all of our assignments.
 
 C.
The drawing that Chelsea made for her mother is pretty.
 
 D.
Does the neighbor whose dog is missing need help searching for it?
My Answer: A or B

xikarkatvantasxi · Answer

@HannahA  ughhh im so sorry to bother you >~<

hannaha · Answer

it's cool :)

hannaha · Answer

it would be B. because A is describing the book (noun)

xikarkatvantasxi · Answer

:D thanks so it contains an adverb clause? but where?

hannaha · Answer

we finished all our assignments is telling what happened before they "Went" outside. (went being the verb)

xikarkatvantasxi · Answer

ok thank you :D

hannaha · Answer

sure :)