that is imposssible to tell you the ture

that is imposssible to tell you the ture he is so learned a man that I an sure it would be imposssible to find his ______.a.same b.similar c.equal d.reflection为啥选c,不选a?a和c,不是都可作pron? Love starts with a smile ,grows with a kiss ,and ends with a tear .Don't cry over anyone who won't cry over you .Good friends are hard to find ,harder to leave ,and imposssible to forget .The hardest thing to do is to watch the one you love ,love som that is that is That is is that Is that that is That is that is That is that that is is that is that that is not is that is that is all,that is it ,that is right 区别? i think that that that that that is that that is is that is that that is not is that is 求高人解答#############thanks that is all right与that is THAT IS RIGHT?THAT IS ALL RIGHT?