In the 6th sentence of the 2nd paragraph, the word 'This' refers to______. A.the decrease of the oil industry B.the increase of measures taken C.the government's assumption D.the level of sulphur dioxide
A.A.the B.the C.the D.the
【参考答案】
A 解析:该题检查考生对This指代的理解。答题依据在文章第二段。该段第五句话说到'The government......