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【单选题】
下列关于听觉特性的描述不正确的是:A.
声音有音调、响度和音色三种性质
B.
声波的频率越低，音调就越高
C.
声波的振幅越大，声音就越响
D.
日常生活的声音大多是声波混合的结果
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A.
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B.
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A.
to tell
B.
to be told
C.
telling
D.
being told
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A.
he realized
B.
did he realize
C.
had he realized
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he had realized
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