Tony is said to New York and now he is studying medicine in a famous college in America.A.

问题补充：

Tony is said to New York，and now he is studying medicine in a famous college in America.

A. have gone

B. to have gone

C. going

D. to go

答案：

A. have gone

(答案→)B. to have gone

C. going

D. to go

解析：句意：据说Tony去了纽约，现在正在美国一所著名大学学习医学。Be said to do,据说……;且根据and now he is studying medicine in a famous college in America.可知早已去了，而不是要去，所以选B。