Because Surface Winds Circulate Around a Midlatitude Cyclone,why Do They

Multiple Choice

Because surface winds circulate around a midlatitude cyclone,why do they move from west to east across North America?

A) The winds aloft,particularly the jet stream,move from west to east and steer the storm system.
B) The continental polar air mass that "pushes" the cold front drive the storm east.
C) The storm is forced toward the warm arm mass,which "pulls" the storm toward it to the east.
D) The Bermuda high in the Atlantic ocean forces circulation it,which steers the storm systems in North America.