is no need A. It; complainingB. That; complainingC. There; to complainD. This; to complain

网友回答

A. It; plaining
B. That; plaining
(答案→)C. There; to plain
D. This; to plain
解析： 考查固定句型。There is no need to do sth 没有必要做某事。题意为抱怨是没有必要的。与此类似的固定句型还有there is no doubt that 毫无疑问 ，there is no point in doing sth 做某事无意义。There is no possibility that 做。。没有可能性。牢记这些固定句型，很容易能够得出答案。
考点 固定句型。