定语从句先行词是人称时,连接词可以用that吗?

定语从句先行词是人称时,连接词可以用that吗?
如,We looked at the person that broke the classroom window.
这句话that可不可以用?还是用which?

一般说来,在定语从句中,先行词指人时,关系代词通常用who/that引导；而当先行词指物时,关系代词通常用that/which引导.而用which指人的情况出现甚少.但在下列几种情况下,当先行词指人时,定语从句中的关系代词用which,而不用who
现归纳如下：
一、当先行词强调人物的身份、地位时.
They talked like a foreigner which they hardly were.他们说起话来像个外国人,而他们根本就不是.
Bill pretended to be a cleaner which helped him to escape from prison.比尔装成清洁工,这可帮他逃出了监狱.
二、当先行词指婴幼儿、小孩时.
My elder sister had a baby which was a girl yesterday.我姐姐昨天生了个女孩.
He made a face to the child which was in the mother's arm.他对抱在母亲怀中的婴儿做了个鬼脸.
三、当先行词强调个人的职业特征而非强调人时.
He is a professor,which commands our great admiration.他是个教授,教授是让我们极为钦佩的.
After graduating from university,he became a lawyer,which his relations wanted him to be.大学毕业后,他当了律师,这也是亲属们想要他从事的职业.
四、当先行词强调个人的性格特征时.
He is the man which he was.他还是象过去那个老样子.
Bonny is quite different from the girl which I thought her to be.邦妮完全不是我曾认为的那种女孩.
五、当先行词是集体名词被看作一个整体时.
Yao Ming is very interested in American public which warmly supports him.姚明对热情支持他的美国民众很感兴趣.
I take great pride in the Western Chinese people which has a long history,a rich culture and glorious revolutionary tradition.我作为西部的中华民族感到骄傲自豪,这是个有悠久历史、灿烂文化和光荣革命传统的民族.
六、当先行词强调人的品德素养时.
Sun Nan is a successful singer which gets him high fame in China.孙楠是个成功的歌手,这使他在中国名声大震.
He is a gentleman which his little brother isn't.他很有绅士风度,他弟弟却没有.