could you help me with my Math 要怎么回答a I can't b I couldn't c I ma_英语解答

could you help me with my Math 要怎么回答
a I can't
b I couldn't
c I may not
d don't have

人气：349 ℃　时间：2019-11-10 22:24:38

解答

A,这里的could是表示婉转的语气,不代表过去式,如果是用may提问,may/may not 才可作回答