Generally, Logistics Costs in the United States Have __________ Since

Multiple Choice

Generally, logistics costs in the United States have __________ since the early-1980s.

A) Consistently decreased.
B) Consistently increased.
C) Increased during the first several years of the new millennium, but decreased during the recession of 2008-2009 and thereafter.
D) Decreased during the first several years of the new millennium, but increased during the recession of 2008-2009 and thereafter.
E) Stayed the same.