I think it is C because A is missing commas, B doesn't need them and D doesn't need one.
I think that is D but i am not sure that is the help i can give you.
HOPE THIS HELPS!!
Answer:
much
Explanation:
Answer choices:
Many- the phrase "very many makes sense.
A little- the phrase- "very a little" doesn't make sense.
A few- the phrase "very a few" doesn't make sense.
Some- the phrase "very some" doesn't make sense.
Less- the phrase "very less" doesn't make sense.
Fewer- the phrase "very fewer" doesn't make sense.
Several - the phrase "very several" doesn't make sense.
Much- the phrase "very much" makes sense.
However, taken in context, much is correct in this sentence.
We don’t get very many mail on Saturdays; most of it comes during the week.
Versus:
We don’t get very much mail on Saturdays; most of it comes during the week.
A term for a story within a story would be called a frame story.
I hope this helps!