问题补充：
I couldn’t believe it, but in black and white, signed by the bank manager.
A. it there was
B. there was it
C. was it there
D. there it was
答案：
A. it there was
B. there was it
C. was it there
(答案→)D. there it was
解析：it此处为代词，代指某个东西，句意为我无法相信，但是它就在那里，白纸黑字，由银行经理签字的。
