On a motorway with three lanes in the same direction, which one should you normally use?

A)Any of them.
B)The center or the right one, indistinctly.
C)The right one.Correct
On roadways outside built-up areas with more than one lane reserved for the direction of travel, you will normally drive in the rightmost one, although you may use the rest of those in that direction when traffic or road circumstances make it advisable, provided that you do not impede the progress of another vehicle following behind.