Theory a Predicts That the Higher the Opportunity Cost of Having

Multiple Choice

Theory A predicts that the higher the opportunity cost of having a child, the fewer children a woman will have.  Which of the following is evidence against the theory if opportunity cost is measured in terms of foregone salary?

A) women with high-paying jobs have more children than women with low-paying jobs.
B) women with low-paying jobs have more children than women with high-paying jobs.
C) men married to women with high-paying  jobs want more children than men married to women with low-paying jobs.
D) the mothers of women with high-paying jobs will want their daughters to have children more than the mothers of women with low-paying jobs will want their daughters to have children.