请选择ABCD:^(}-T:O7V3r I know a little bit about Italy as my wife and I _________ there several years ago.4p9@.E6_){3])@
A.are going4p9@.E6_){3])@
B.had been4p9@.E6_){3])@
C.went4p9@.E6_){3])@
D.have been4p9@.E6_){3])@