题干
—He was nearly drowned once.
—When was _____?
—_____ was 1998 when he was in middle school.
A：that; It
B：this; Thi
C：this; It
D：that; Thi
答案(点此获取答案解析）
A
A：that; It
B：this; Thi
C：this; It
D：that; Thi
