the words the boy said at the meeting were true. We must not believe he said. Only a few of them are helpful to us.
A. None of; anything
B. All; nothing
C. Not all of; everything
D. Neither of; something
网友回答
A. None of; anything
B. All; nothing
(答案→)C. Not all of; everything
D. Neither of; something
解析：考查不定代词。not与every, all连用，表示部分否定，意为“不是所有的”；neither和none表示全部否定。句意“那个男孩在会议上说的话并不全是对的。我们不能相信他说的全部。”故选C。