Of all _____ reasons for his decision to study abroad, his father’s advice was ____ most important one.

A．the; a

B．不填; a

C．不填; the

D．the; the

垂体型艾迪生病最常见的致病原因为()

A．产后大出血

B．颅咽管瘤

C．垂体肿瘤

D．下丘脑附近肿瘤

E．脑膜炎