In 1975,only __________ of Married Women with Preschool-Age Children (Under

In 1975,only __________ of married women with preschool-age children (under six years old) were in the labor force,yet this figure had increased to __________ by 2009.

A) 19 percent; 77.9 percent
B) 19 percent; 57.9 percent
C) 39 percent; 77.9 percent
D) 39 percent; 57.9 percent
E) 59 percent; 37.9 percent