题目

Wow, fantastic! It is the first time that I ________ so grand a light show. A . saw B . see C . had seen D . have seen 答案：D魏格纳是根据哪两个大洲的轮廓相吻合而提出大陆漂移学说的（ ）A、非洲与南美洲 B、亚洲与大洋洲C、北美洲与南美洲 D、南美洲与南极洲