【正确答案】 D

【答案解析】make up one's mind：打定主意，决心。decide：决定。又如：Susan has made up her mind that, come what may, she will stay with John．苏珊决心已下，不管发生什么，都将跟约翰在一起。He decided not to。do that．他决定不干那件事。try：设法。We are all trying to improve our English．我们正设法提高我们的英语水平。attempt：试图。We attempted to quit smoking, but failed．我们试图戒烟，但没有成功。agree：同意。They might not agree with her opinion．他们可能不同意她的意见。