“HOW LONG WILL YOU STAY IN ENGLAND

24. “How long will you stay in England?”, Tâm’s friends asked him.

A. Tâm’s friends asked him how long will he stay in England.

B. Tâm’s friends asked him how long he will stay in England.

C. Tâm’s friends asked him how long he would stay in England.

D. Tâm’s friends asked him how long would he stay in England.