The West Coast of Canada Is a Moist Environment Because

The west coast of Canada is a moist environment because of

A) the effect of continental air masses.
B) the presence of mountains.
C) the predominant direction the winds that blow from the east at that latitude (about 45° to 50° N) .
D) Arctic outflows that bring colder,moister air into the area.
E) warm ocean currents that bring moisture to the area.