Pennies is plural
plural is when there is more than one and it ends in s
possessive is when it ends with ‘s showing ownership
The tone is most likely hopeful, but I could be wrong.
It would be A, the other choices simply doesn't fit with what you are trying to provide to the reader. You want to pull them in
Answer:
B and C
Explanation
Combine your ideas. C is great but not 100% clear.