Select the option that expresses the given sentence in indirect speech.
“I will work hard to get the first rank in class,” said Rohan.

A

Rohan said that he would work hardto getthe first rank in class.

B

Rohan said that he could work hard to getthe first rank in class.

C

Rohan said that he ought to work hardto getthe first rank in class.

D

Rohan said that he should work hardto getthe first rank in class.