WHEN I CAME, HE ___________, I WAS SAD AS I COULDN'T SAY "GOOD...

18. - 25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN
25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN

18.

When I came, he ___________, I was sad as I couldn't say "Good bye" to him.

A. was about to leave B. was leaving

C. has already left

D. had already left