Question

【题目】While I was walking along the lake, I saw some fish _____ out of the water.
A.jumped
B.to jump
C.jumping
D.are jumping

Answer 1

【答案】C
【解析】句意：我沿着湖边散步时，我看到一些鱼跳出水面。see sb doing sth看见某人做某事，see sb do sth看见某人做过某事。所以选C。