In the United States, Because the Amount of Part-Time Work

In the United States, because the amount of part-time work has increased and the average number of hours worked per week has increased,

A) average annual earnings have increased less rapidly than average weekly or hourly earnings.
B) average annual earnings have increased more rapidly than average weekly or hourly earnings.
C) average weekly earnings have increased at the same rate as average hourly earnings.
D) average weekly earnings have increased more rapidly than average hourly earnings.
E) average weekly earnings have increased less rapidly than average hourly earnings.