21. How is Western Europe able to provide food for its dense population?

Question

a. The region imports most of its food supply
b. Large, densely populated agricultural regions harvest crops year-round
c. Sophisticated farming methods are used to produce high crop yields
d. Most of the region's labor force works in agriculture
B?

Thanks
-MC

Answer 1

Only southern Europe has a climate suitable for year-round crops.

I suspect that c. is the answer -- but please check your book.