Choose the most appropriate option to change the narration (direct / indirect) of the given sentence.
Mary said, “I have to be there by 10 am tomorrow.”

A

Mary says to me that she has to be there by 10 am.

B

Mary tells me she has to be there by 10 am tomorrow.

C

Mary told me that she had to be there by 10 am the next day.

D

Mary is telling me that she has to be there by 10 am tomorrow.