I'm glad to know that you had an interest in Chinese food.Here I'd like to tell you something about

问题描述:

I'm glad to know that you had an interest in Chinese food.Here I'd like to tell you something about
你们说about后是加it还是加them呢?我觉得加them 貌似也没什么错的啊?

如果是it,指代的就是 you had an interest in Chinese food这件事,如果是them,指代就是chinese food