Which of the Following Statements Best Characterizes the Nature of Research

Which of the following statements best characterizes the nature of research into adolescent sexuality?

A) Until the late 1990s, it was taboo to study adolescent sexuality.
B) Researchers have always studied the normative aspects of adolescent sexuality, just as they have with identity, autonomy, and intimacy.
C) Until recently, researchers focused mostly on the problematic aspects of adolescent sexuality (precocious sex, promiscuous sex, unsafe sex, etc.) .
D) Until recently, most researchers were preoccupied with understanding adult sexuality, so they neglected the important topic of adolescent sexuality.