Which of the following is an example of a compound sentence?

A. Because the weather was so nice,we decided to take the day off from work.
B. There are five players on the court for each basketball team at any given
time:two guards, two forwards, and a center.
C.She bought me a guitar, I decided to learn how to play it.
D.Carl and Sara decided to go bowling and then out to dinner.
Answer :C
Am I correct

3 answers

yes
There is no compound sentence in here unless you have a semicolon in place of the comma in sentence C.
yes after the word "guitar" is a comma
and (so)