The Temperature on the Daylight Side of Mercury
A) Is $\degree$

The temperature on the daylight side of Mercury

A) is about the same as the night side because Mercury rotates so quickly.
B) is about the same as the night side because of the thick clouds on Mercury.
C) is about 400 $\degree$ hotter than the night side because Mercury rotates very slowly.
D) is about 400 $\degree$ hotter than the night side because one side of Mercury never faces the sun.
E) is hot enough that the surface rocks periodically melt and form lava flows.