题目内容

A student hypothesized that sounds of any intensity at a frequency of 105 Hz would be painful for humans to hear. Do the data in the figure support this hypothesis？

A. Yes, because the threshold of pain is relatively constant with changes in frequency.
B. Yes, because as frequency increases above 105 Hz, the threshold of pain increases.
C. No, because humans cannot hear sounds at 105 Hz.
D. No, because the threshold of pain is relatively constant with changes in frequency.

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