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.
Vicky said, "Please say nothing about this."

A

Vicky asked her to not to say anything about this.

B

Vicky asked her that she should not to say anything about that.

C

Vicky asked her to say nothing about that.

D

Vicky asked her that she say nothing about that.