You have to believe in yourself.______is the secret of success.

问题描述:

You have to believe in yourself.______is the secret of success.
A.What B.There C.Which D.That
choose which one and why

如果你确定有"."的话应该是D了~"."就表示前面的句子结束了所以后面那个是单独成句的~这样就容易了吧