单选题 The private detective, having received new information from a confidential source, narrowed down the______of his enquiry into the case.(2004年武汉大学考博试题)
【正确答案】 D
【答案解析】解析:本题意为“由于通过秘密途径获得新的线索,那名私人侦探缩小了调查此案的范围”。scope的意思是“范围”,如:an investigation of wide scope(大规模的调查)。其他三项“aspect方面,外表;sphere领域;dimension方面,重要性”都不正确。