Can someone please help me with this question?:
Choose the progressive perfect form of the verb!
Antonio ________ along the river when someone began to pelt him with oranges.
Choose 1 answer:
(Choice A)
A
was walking
(Choice B)
B
had been walking
(Choice C)
C
had walked
Please don't give me a wrong answer. I'm trying so hard to get every one of these right