Which of the following observations signals the onset of puberty in male adolescents

A. Appearance of pubic hair.
B. Appearance of axillary hair.
C. Testicular enlargement.
D. Nocturnal emissions.

水痘毒热重证的用方是

A．大连翘汤
B．清胃解毒汤
C．透疹凉解汤
D．清瘟败毒饮
E．宣毒发表汤