In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.
Rohit said, "Leela, when is the next bus?"

A

Rohit asked Leela when the next bus was supposed to come.

B

Rohit asked Leela when was the next bus coming.

C

Rohit asked Leela when the next bus was.

D

Rohit asked Leela when the next bus was coming.