正确答案:
C
解析:
句意:有这样的人来帮助你,你很幸运。fortunate意为“幸运的,幸福的”,如The old lady is fortunate to have good health. 意为“老太太身体很健康,真是好福气”;thoughtful意为“深思的,考虑周到的”,如It was thoughtful of you to bring the flowers. 意为“你带花来真是考虑周全”;considerate意为“体贴的”,如It was considerate of you not to play the piano while I was asleep. 意为“在我睡觉时你不弹钢琴,真是体贴入微”; moderate意为“中等的”。