If traffic prevents you from crossing all the way across a set of railroad tracks, you may proceed only when

A
There is room for your vehicle on the other side.
B
At least one-half of your vehicle can cross the tracks.
C
No trains are in sight.
D
An approaching train is not moving fast enough to be a danger.

B

At least one-half of your vehicle can cross the tracks.

When driving on a freeway entrance ramp, you should look for a gap in freeway traffic by:

A
Looking in the inside rearview mirror only
B
Looking in both rearview and sideview mirrors
C
Looking in the sideview mirror only
D
Looking in your mirrors and turning your head to look over your shoulder

D

Looking in your mirrors and turning your head to look over your shoulder