Which statement tells where a paragraph break should be in this dialogue?

"Would you mind dropping this in the mailbox on your way home?" the woman asked. "No problem, Mrs. Daniels," the boy said. "I'd be happy to do so."

A.
A paragraph break should come after the word asked and after the word said.

B.
A paragraph break should come after the word asked.

C.
A paragraph break should come after the word said.