"If you don't keep quite I shall shoot you", he said to her in a calm voice.

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