How Did Women's Colleges Respond to Dr

How did women's colleges respond to Dr. Edward Clarke's assertion that, "the rigors of a college education could lead the 'weaker sex' to physical or mental collapse, infertility, and early death"?

A) They began to only accept "new women" who were more likely to already be physically fit.
B) They implemented programs of physical activity to keep students healthy.
C) Most colleges realized the problem was not women's health per se, but their restrictive dress; they changed the dress code to require lighter, more comfortable clothing.
D) All these answers are correct.