C.
past participial phrase
Answer:
2) hadn't been sleeping
3) had been snowing
4) had been waiting
5) didn't called
6)didn't listened
7) had written
Hope it helps you
I think this answer can be only B or D
Explanation:
I mostly think the answer should be D. So, yeah, probably you should try out D. Because, where it says, Loyal Cat, Max, that doesn't sound that wrong. So, try D.
