单项选择题

Which of the following is a CORRECT definition of a phone

A. It is a phonological unit.
B. It is a speech sound.
C. It is an abstract sound feature.
D. It is an actual realization of a phoneme.
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单项选择题
In the United States, Halloween is night-time ______ holiday.
A. children's
B. men's
C. women's
D. old men's
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