Temperatures in Deserts Are Usually ________ at Night Because ________

Temperatures in deserts are usually ________ at night because ________.

A) hot of the large amount of insolation absorbed during the day
B) hot deserts are generally hot places
C) cool clear skies and lack of vegetation result in rapid radiative heat loss
D) cool the ground is so highly reflective that no energy is absorbed by surfaces during the day,so none is available for release at night