Can someone please verify my answer?

Question

anonymous · Answer

I'm pretty sure this is B, but I wanted to double check.  

Identify the prepositional phrase in the following sentence:

A girl in my classroom threw a paper airplane.

 A girl
 in my classroom
 threw a paper airplane
 a paper airplane

anonymous · Answer

Sorry I mean A.  I think the answer is A.

ironhide · Answer

I think it's C.

anonymous · Answer

I looked at this website but it didn't help enough. http://www.chompchomp.com/terms/prepositionalphrase.htm

ironhide · Answer

OH WAIT, IT'S B, IT'S B

anonymous · Answer

Can you elaborate?

ironhide · Answer

Prepositional phrases begin with a preposition (a location), and end with a noun. 

In this case the location is "in", the noun is "classroom."

anonymous · Answer

Okay thanks!!

ironhide · Answer

No problem! Sorry about the confusion with C haha.