_________ the road round to the right, the blind man asked a boy to guide him.

A．Follow

B．Following

C．To follow

D．Followed

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