Chengdu No. 7 High School in 1905 is home to a great many excellent students.A. foundB.

问题补充：

Chengdu No. 7 High School, in 1905, is home to a great many excellent students.

A. found

B. founding

C. founded

D. having founded

答案：

A. found

B. founding

(答案→)C. founded

D. having founded

解析：句意：成都七中成立于1905年，它是许多好学生的家园。整个句子已经有谓语动词，这里是非谓语动词High School与found之间是被动关系，故选C。