In April 2010, a group of 14- and 15-year-old students from Loughborough, in the UK, _______ to Iceland on a school trip.
In April 2010, a group of 14- and 15-year-old students from Loughborough, in the UK, _______ to Iceland on a school trip.
A. go
B. has gone
C. went
D. had gone