The science of computer, _____rapid progress has been made in recent years, is the most important of all science.

下列各句中，表达得体的一项是 （ ）

Can you tell me why you learn English so well—-It’s very simple. You work, grades you will get.

She opened her eyes with a start and was about to cry out ________ she heard her father urgently telling her to keep quiet.

There is no light in his apartment. He be at home.