According to Jacobs and Eccles, What Is the Best Way

According to Jacobs and Eccles, what is the best way for mothers to encourage their daughters to develop strong math skills?

A) to hold stereotypic beliefs and to communicate them to their daughters
B) to actively avoid gender stereotypes so that they are not transmitted to their daughters
C) to become very good at math themselves and lead by example
D) to encourage their daughters to seek out their father for help on math homework