I believe the correct answer is D
<span>According to her research,
nine out of the ten students had masturbated without a partner.</span>
Sexology
is the logical investigation of human sexuality, including human sexual
premiums, practices and capacities. The term sexology does not for the most
part allude to the non-scientific investigation of sexuality, for example,
political science or social feedback. The scientific investigation of sexual
conduct in people started in the nineteenth century.
An arrangement or grouping, as the british are altogether
