____________ THE FIRST TRAIN, HE COULD HAVE ARRIVED AT HIS OFFICE...

33. - DE KIEM TRA 1 TIET TIENG ANH 10 BAI SO 2 HK2
DE KIEM TRA 1 TIET TIENG ANH 10 BAI SO 2 HK2
33. ____________ the first train, he could have arrived at his office on time.A. If Tom catches B. Had Tom caught C. If Tom caught D. Unless Tom caught