“If you don’t keep quiet I shall shoot you, ” he said to her in a calm voice.

A. He warned her to shoot if she didn’t keep quiet calmly.
B. He said calmly that i shall shoot you if you don’t be quiet.
C. He warned her calmly that he would shoot her if she didn’t keep quiet.
D. Calmly he warned her that be quiet or else he will have to shoot her.