Which of the following statement is correct?

A. Fat and starch are unstable and can be stored short-term, while ATP molecules are stable and stored long-term.

B. Fat and starch are stable if used as energy immediately, while ATP is used as long-term storage.

C. ATP is used for long-term storage, while fat and starch are used for immediate energy

D. ATP is used for short-term energy and to build molecules of starch and fat.