Sunlight Reflected from the Surface of a Lake

Multiple Choice

Sunlight reflected from the surface of a lake

A) is unpolarized.
B) tends to be polarized with its electric field vector parallel to the surface of the lake.
C) tends to be polarized with its electric field vector perpendicular to the surface of the lake.
D) has undergone refraction by the surface of the lake.
E) none of the given answers