While I was walking along the lake, I saw some fish _____ out of the w...

While I was walking along the lake, I saw some fish _____ out of the w...

C

试题分析：考查动词用法。句意 当我沿着湖边散步时，我看到一些鱼跳出水面。考查see 用法see+n.+do/doing 看见．．．做．．．．（正在做）．．．． 1. ＋do 的see him cross the road宾语之后加动词原形，表自动作的开始到结束 2.＋doing的重点在于动作的进行状态．故选C项。