According to Your Text,a Key to Effective Hand Stimulation of the Male

According to your text,a key to effective hand stimulation of the male genitals by the partner is

A) to keep in mind that most men think their penis is very important and this needs to be appreciated by the partner.
B) that ejaculation can be avoided by squeezing the glans very hard just prior to ejaculation.
C) that in order to maintain the male's sensitivity,the hand must be moved as rapidly as possible along the shaft.
D) to concentrate on intense,rapid stimulation of the glans,which is the most sensitive area.