You have made another mistake.----sorry,but I-----.A didn’t

You have made another mistake.----sorry,but I_____.A didn’t intend to B didn’t intend C don’t i
You have made another mistake.----sorry,but I_____.
A didn’t intend to B didn’t intend C don’t intend to D don’t intend 我选了第二个,但是关于省略的语法部分我忘了,你能教教我吗,顺便教一下,如何才能记得住行吗,因为语法,好像一段时间不看,就容易忘,怎么才能记得又准确又时间长啊,头痛,总不能天天看这个语法吧,怎么办.