强调句型谢谢
问题描述：
强调句型谢谢
It's was the old man's positive attitude towards life,_I think,made him happy and healthy.A.which B.that 答案是that解释说I think是插入语,如果是插入语的话不该在"I"前加",
答
that是强调句型,强调主语部分
原句是:
The old man's positive attitude towards life,I think,made him happy and healthy.