what is the participle phrase int he sentence? Quickly grabbing my lunch, I raced out the door to the bus.

A. grabbing my lunch
B. I raced
C. out the door
D. to the bus

What is the prepositional phrase in this sentence?
Late last night there was a loud knock at the door.
A. late last night
B. there was
C. a loud knock
D. at the door

1. A or B
2. D