I had to tell the truth .___I A didn't B don't 这里为什么用 B

I had to tell the truth .___I A didn't B don't 这里为什么用 B
I had to tell the truth .___I
A didn't B don't 这里为什么用 B

I had to tell the truth .___I A didn't B don't 这里为什么用 B
had to在这里是虚拟语气,表示疑问,所以用过去式,但不是表达过去发生的事情,而回答没有用虚拟语气,所以用一般现在时