I _______ up here night after night for weeks now. You see, I _______ to give you a surprise.

A．have come; hoped

B．have been coming; has hoped

C．have come; was hoping

D．have been coming; was hoping

尤文肉瘤好发于

A．股骨远端、胫骨近端和肱骨近端的干骺端
B．脊椎、骨盆、肋骨、颅骨和胸骨等
C．四肢长骨干骺端或骨干，以股骨多见
D．股骨、胫骨、腓骨、髂骨和肩胛骨等