One Reason Current European Unemployment Rates Are Significantly Above Those

One reason current European unemployment rates are significantly above those in the United States is that European

A) labor laws seem designed mainly to protect the higher wages received by mostly male workers in the 25- to 54-year age bracket.
B) countries typically have less generous social welfare benefits than those in the United States.
C) inflation-adjusted labor costs have risen less rapidly than those in the United States over the last 30 years.
D) workers are more productive than U.S. workers.
E) countries import most of the goods they consume.