I was（）than angry when I saw how they'd ruined the landscape.

A.much

B.little

C.more

D.less

化疗有效的ⅡA期股骨下端骨肉瘤比较适合的治疗是

A．囊内切除
B．边缘性切除
C．广泛性切除
D．根治性切除
E．根治性截肢