--Excuse me, do you know ________?

--I'm sorry.I am new here.

1. A.
   where is the nearest bus station
2. B.
   where the nearest bus station is
3. C.
   where the nearest bus station was
4. D.
   where was the nearest bus station

?Excuse me, do you know _______ ?

?I'm sorry. I am new here.

A. where is the nearest bus station

B. where the nearest bus station is

C. where the nearest bus station was