Which words in the sentence are the adverb clause?

Our neighbor Henry watered the plants on our back porch while we took a family vacation.

A.
our back porch while we

B.
the plants on our back porch

C.
while we took a family vacation

D.
our neighbor Henry watered

Question

Which words in the sentence are the adverb clause? 

Our neighbor Henry watered the plants on our back porch while we took a family vacation.
 
 A.
our back porch while we
 
 B.
the plants on our back porch
 
 C.
while we took a family vacation
 
 D.
our neighbor Henry watered

anonymous · Answer

@vera_ewing @SuperflyTyGuy

superflytyguy · Answer

while we took a family vacation

vera_ewing · Answer

B.
the plants on our back porch

vera_ewing · Answer

It's definitely B

superflytyguy · Answer

"The" is not an adverb, "while" is