Frankly speaking, of them knew what the other was doing that morning.
A. none
B. neither
C. some
D. all
网友回答
A. none
(答案→)B. neither
C. some
D. all
解析:考查代词:A. none(三者以上)都不,B. neither(两者)都不,C. some一些, D. all(三者以上)都,句意:说实话,他们都不知道对方那天早上在做什么。因为the other是两者间的另一个,所以them是两者,两者都不,用neither。选B。