The film on the book by Jack London is well worth .
A. basing; seeing
B. based; being seen
C. to be based; to see
D. based; seeing
网友回答
A. basing; seeing
B. based; being seen
C. to be based; to see
(答案→)D. based; seeing
解析：第一个空，主语film与动词base之间是被动关系，故用过去分词作定语；第二个空，worth是形容词，“价值，值得……”，后接名词或动名词，故选D。