1. 如果腦下垂體功能不足(hypopituitarism)發生在青春期(puberty)之前,會發生下列何種疾病?(A)肢端肥大症(acromegaly)(B)巨人症(gigantism)(C)侏儒症(dwarfism)(D)西蒙氏病(Simmonds' disease)