21. With its plan to develop seven and a half acres of shore land, Cleveland is but one of a large number of communities on the Great Lakes that is looking to its waterfront as a way to improve the quality of urban life and attract new businesses. (A) is looking to its waterfront as a way to improve the quality of urban life and attract (B) is looking at its waterfront to improve the quality of urban life and attract (C) are looking to their waterfronts to improve the quality of urban life and attract (D) are looking to its waterfront as a way of improving the quality of urban life and attracting (E) are looking at their waterfronts as a way they can improve the quality of urban life and attract
再来分析选项看看: 首先肯定是用look to ,A,C,D比较,而as a way to improve ,as a way of improving 我 觉得都是属于redundant的表达,没必要加一个as a way,本来to improve就是表达一种动作的目的性,然后其前面的动作looking to 就是表达一种方式,你觉得呢?