During the past 40 years, U.S. exports as a percent of GDP and U.S. imports as a percent of GDP

A) both rose at the same pace.
B) both fell at the same pace.
C) both rose, but U.S. imports as a percent of GDP rose at a faster pace.
D) both rose, but U.S. exports as a percent of GDP rose at a faster pace.

ANSWER:

C