Question

What is the complete verb phrase in the following sentence?

The dog was quickly running toward the door as he heard the doorbell ring.
A) The dog was
B) was quickly running
C) toward the door
D) heard the doorbell ring

Answer 1

B, because running is a verb and none of the other sentences have verbs, verbs are action words.

Answer 2

The answer is 
B) Was quickly running.
Hope this helps and have a wonderful day!