Halley's Comet Is in a Highly Elliptical Orbit Around the Sun

Multiple Choice

Halley's Comet is in a highly elliptical orbit around the sun. Therefore the orbital speed of Halley's Comet, while traveling around the sun,

A) increases as it nears the Sun.
B) is zero at two points in the orbit.
C) decreases as it nears the Sun.
D) is constant.