There are a lot of people ___for the bus to comeA waiting B to wait C waited D is waiting

There are a lot of people ___for the bus to comeA waiting B to wait C waited D is waiting
There are a lot of people ___for the bus to come
A waiting B to wait C waited D is waiting

There are a lot of people ___for the bus to comeA waiting B to wait C waited D is waiting
waiting

A，waiting修饰people，表示人们正在等公交车