Could you give me some （） as to when I am likely to receive a re

Could you give me some （） as to when I am likely to receive a reply?
A、suggestion
B、comment
C、indication
D、recommendation
【正确答案】：C
【题目解析】：本题考查名词辨析。句意：你能给我一些暗示，让我知道我什么时候会收到答复吗？suggestion n. 建议；comment n. 评论，意见；indication n. 指示，暗示；recommendation n. 推荐，建议。