“All the students don’t work hard.” means “ ”
A. Not all the students work hard.
B. Every student works hard.
C. None of the students works hard.
D. All of the above.
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(答案→)A. Not all the students work hard.
B. Every student works hard.
C. None of the students works hard.
D. All of the above.
解析：表示整体意义的词用于否定句构成部分否定。句意：不是所有的学生都努力。