问题补充：
---- Kate is in hospital.
---- Oh, really? I . visit her.
A. didn’t know; I’ll go and
B. don’t know; I’ll go and
C. don’t know; I’m going to
D. didn’t know; I’m going to
答案：
(答案→)A. didn’t know; I’ll go and
B. don’t know; I’ll go and
C. don’t know; I’m going to
D. didn’t know; I’m going to
解析：前一空用一般过去时，表示刚刚还不知道，后一句是说我将会去看望她，所以用将来时。
