When simon levay examined interstitial nucleus 3 in 41 people who had died, he found that in the homosexual males in his sample, this nucleus was ____.​
a. ​comparable in size to the whole group of heterosexual males
b. ​comparable in size to the heterosexual males who had died of aids
c. ​larger, but only in those who had died of aids
d. ​comparable in size to the heterosexual females?