Planets in the Habitable Zone of Their Stars

Planets in the habitable zone of their stars:

A) are always the planets closest to the star
B) are also called hot Jupiters
C) are so far from their stars that it is very difficult to discover them
D) are at a temperature where water can exist as a liquid
E) cannot exist around stars that are red dwarfs (spectal type M)
Section 21.6: New Perspectives on Planet Formation