Answer:
A) "l couldn't have done it without you." she told them"
Step-by-step explanation:
The reason this is the answer is because Cindy is thanking her friends which shows appreciation and shows friendship is important.
B, does not show an important message friendship since it just talks about the bake sale being ready
C, does not show an important message friendship since it just talks about how Cindy was upset about the storm
D, does not show an important message about friendship only with the specific line since it just talks about Cindy's friends motivating Cindy, but without more context you cannot find that out with this line alone SO, A is the answer. Tell me if I am correct, and hope this helped.