The film ____ on the book by Jack London is well worth ____. [ ]

A. basing; seeing

B. based; being seen

C. basing; to be seen

D. based; seeing

对肝细胞痛的专一性检查是（）。

A．内窥镜检查

B．脱落细胞检查

C．超声波断层检

查 D．甲胎蛋白定量测定

E．选择性动脉造影