In London the cars go . . . . . . . . the left side.

A. in

B. on

C. to

D. near

Answer: Option B

Solution(By Examveda Team)

'On' means 'to be located on a surface in a general way'. The meaning applies here as the location 'the left' refers to the left side in general, and 'on' refers to 'car' being driven on the road's left side.