HUNG DIDN’T CALL LAN BECAUSE IT WAS TOO LATE. A. HUNG WILL CAL...

21. Hung didn’t call Lan because it was too late.

A. Hung will call Lan, if it is early.

B. If it were not late, Hung would call Lan.

C. Hung didn’t plan to call Lan, but he changed his mind at the last minute.

D. If it hadn’t been so late, Hung would have called Lan.