问题补充：
Little that we were watching his every move, so he seemed to be going his own way in this business.
A. he realized
B. he didn’t realize
C. didn’t realize
D. did he realize
答案：
A. he realized
B. he didn’t realize
C. didn’t realize
(答案→)D. did he realize
解析：句意：他没意识到他的每一个动作都在我们的观察之中，所以这件事他好像自行其是。否定词或半否定词放在句首，要用部分倒装。
