问题

Be quick! The mid-term exam _________. I must leave for school now.—-No rush. The bus _______ at 7:20, so there is enough time left.
A:comes; leaves
B:is coming; leaves
C:comes; leaving
D:is coming; is leaving;
B:is coming; leaves
C:comes; leaving
D:is coming; is leaving;
正确答案是: