Question

The manager _______ the workers how to improve the program since 9 a.m. A．has told B．is te.

The manager _______ the workers how to improve the program since 9 a.m. A．has told B．is telling C．has been telling D．will have told

Answer 1

C

本题考查时态。句意为：从上午九点开始，经理在一直不停地告诫工人如何去完善这个项目。由时间状语since 9 a.m.可以先排除B和D；根据句意，此处需要的是“一直不停地告诫”，强调持续性，故完成进行时更好，所以答案选C。