Temperatures Become More Variable and Precipitation Decreases as One Travels

Multiple Choice

Temperatures become more variable and precipitation decreases as one travels from west to east from Europe into Asia.This is best explained by

A) prevailing westerlies and the orientation of mountain chains.
B) the moist eastern side of the subtropical high.
C) the moist western side of the subtropical high.
D) monsoonal winds bringing relatively warm moist winds in the winter.