"You should take better care of your health," said...

Câu hỏi: "You should take better care of your health," said Tom's mother. 

A. Tom's mother required him to take better care of his health.

B. Tom's mother promised to take better care of his health.

C. Tom's mother ordered him to take better care of his health.

D. Tom's mother advised him to take better care of his health.