Choose the most appropriate option to change the narration (direct / indirect) of the given sentence.
Sumit said, “I will be leaving for London this summer so I can meet you only when I return.”

A

Sumit said he will be leaving for London this summer and he could meet him only when he returned.

B

Sumit said he will go to London this summer and he would meet me only when he will be returning.

C

Sumit said that he would be leaving for London that summer and he could meet me only when he returned.

D

Sumit said he will have gone to London that summer and could meet me only when he returned.