单选题 Paul is an ______ worker, and rarely does well in examinations. However he often refuses our help.

【正确答案】 A

【答案解析】errant犯错的，行为不当的，做定语用来修饰人；erroneous不正确的，错误的，用来修饰物，如erroneous ideas/conclusions；erratic不稳定的，奇怪的；exotic外国的，外来的。本题修饰人，所以应选A。