The Smiths sent their first child to a board...

Câu hỏi: The Smiths sent their first child to a boarding school, which was not a good idea

A. The Smiths shouldn’t have sent their first child to a boarding school

B. The Smiths could have well sent their first child to a boarding school

C. The Smiths didn’t need to have sent their first child to a boarding school

D. The Smiths can’t have sent their first child to a boarding school