I'm rather confused； would you please _____ your proposal to me

I'm rather confused； would you please _____ your proposal to me again?
A、expose
B、expand
C、explain
D、explore
【正确答案】：C
【题目解析】：题干译文：我感到相当的困惑，可以把你的建议再解释一次么？本题考查词义的辨析。expose意为暴露，曝光；expand意为膨胀，扩张；explain意为解释，说明；explore意为探险，探测，探究。答案为C。