Which sentence contains an infinitive or infinitive phrase?


A.

Dangling from the branch was a perfect apple.


B.

This mountain is difficult to climb even for a frequent hiker.


C.

Will you send this small package to Uncle Mike?


D.

Yes, the phone had rung once this afternoon.


Please do NOT answer if you aren't 100% sure. I'm behind in school and I have to get this right.