The First Sentence in Each Set Contains a Two-Part Verb

The first sentence in each set contains a two-part verb ( to have and a past participle) . The second sentence contains a fixed-form helping verb and a blank. Select the correct form of the main verb for the second sentence. Do you know if the accounting office has sent out the 1099s yet?
The accounting office will _________________ the 1099s.

A) send
B) sends
C) sent