I'm a year-1 student in XJTLUI do not think it is a good question. You have graduated from high school. I think you can analyse why the level is BC instead of AA or AB.You can find all the information you need about XJTLU in websites of XJTLU and Baidu Baike.In websites of XJTLU(English version),you can find the introduction of every programmes and every tutors or professors. Though the information iswritten in English, I think you can understand it.