May I speak to lucy,please?其中的May可用哪个词替换?A.Shall B.Do C.Will

A.Shall I speak to lucy,please?
我将和……说吗?征求别人意见,不符合题意.
B.Do I speak to lucy,please?
我和……说吗?不符合题意,一般也不用.
C.Will I speak to lucy,please?
我将和……说吗?自己问自己,不符合题意,一般也不用.
D.Could I speak to lucy,please?
我能同lucy讲吗?规范电话用语,所以D正确.