Which best explains why the pencil seems bent?

A. It travels at the same speed in all matter.

B. It travels faster in air than in water.

C. It travels at different speeds in water and in glass.

D. It travels slower in air than in glass.

It travels faster in air than in water and this is the reason for the pencil seeming to be bent. The correct option among all the options that are given in the question is the second option or option "B". This is the phenomenon known by the name of refraction. Whenever there is a change of medium, light will bend.