Select the option that expresses the given sentence in reported speech.
Mother said, “Abhinav slipped while trying to board a bus.”

A

Mother told that Abhinav slipped while trying to board a bus.

B

Mother said that Abhinav slipped while trying to board a bus.

C

Mother says that Abhinav slipped while trying to board a bus.

D

Mother said that Abhinav had slipped while trying to board a bus.