In the United States, over the past several decades, the typical duration of sexual intercourse has:
A) increased, as has the distress of those suffering from early ejaculation.
B) increased, while the distress of those suffering from early ejaculation has decreased.
C) decreased, while the distress of those suffering from early ejaculation has increased.
D) decreased, as has the distress of those suffering from early ejaculation.
