Please _____ him find his bike. His bike is lost(丢失了).[ ]

A. think

B. help

C. guess

D. know

丙酸睾酮的适应证是（）

A、原发性、继发性男性性功能降低

B、男性青春期发育迟缓

C、绝经女性晚期乳腺癌姑息性治疗

D、妇科疾病如月经过多、子宫肌瘤

E、以上五项都对