HOW MANY ROOMS ARE THERE IN HIS/ HER HOUSE

31. - DE THI HOC KY I ANH 8 TRAC NGHIEM SO 2 4 MA
DE THI HOC KY I ANH 8 TRAC NGHIEM SO 2 4 MA
31. How many rooms are there in his/ her house?A. two B. three C. four D. five