France Is at Almost the Same Latitude as Nova Scotia

Multiple Choice

France is at almost the same latitude as Nova Scotia. Why is France's climate so much milder?

A) France is surrounded by mountains that buffer it from all severe weather conditions.
B) Nova Scotia isn't near a large body of water, but France is located adjacent to the ocean.
C) There are more people in France than Nova Scotia; thus human activity warms up the former region during colder periods of the year.
D) The Gulf Stream brings warm water from the tropical Atlantic to France, modifying its climate.