TheChinesegovernmenthasdecidedtodevelopthewestofChina，____，Idaresay，willbenefitthepeoplethere，especiallythosewhoarestillleadingapoorlife.
A.whatB.whateverC.whichD.as在线课程C
解析：
考查定语从句。是分割定语从句，可以忽略先行词和从句之间的插入语I dare say，which引导非限制性定语从句，替代前面的句子。