Of the Following, the Best Explanation for Why Men Typically

Of the following, the best explanation for why men typically make musical instruments is

A) men are usually more musical than women.
B) men normally collect the hard materials involved, and so may be more familiar with their properties and how to work them.
C) making a musical instrument requires long concentration, which is impossible for women engaged in child-care.
D) many musical instruments require a great deal of strength to make.