If your composition by the end of this week is delayed, you’re sure to lose some points from your final result.

A．to be finished

B．is finished

C．will have been finished

D．finishing

Out of the crowded bus______, who was dressed in a black suit and waved to a woman..
A. a tall man in his thirties stepped   B. stepped a tall man in his thirties
C. did a tall man in his thirties step   D. did a tall man step in his thirties