A-A+
The author of the research article are optimis
问题详情
The author of the research article are optimistic because___
[A] the problem is solvable
[B] their approach is costless
[C] the recruiting rate has increased
[D] their finding appeal to students
本题为单选题,请选出正确答案,谢谢!
参考答案
[C] the problem is solvable
【解析】根据题干信息“research article are optimistic because……”可以回文定位到文章第二段第一句“But the article is actually quite optimistic, as it outlines a potential solution to this problem”。As引导的原因状语从句是题干答案,跟C选“the problem is solvable”重合,因此选C。