Amy and George were practicing a song for a cultural program. Their music teacher insisted that Amy sing the verses in a high pitch. Which of the following could be a reason for the music teacher's decision to select Amy for the high pitch sounds and not George?
A) A woman's vocal cords are usually shorter and vibrate at a greater frequency.
B) The pitch of a man's voice is usually too high to resonate.
C) A man's vocal cords are shorter and therefore vibrate at a lower frequency.
D) The pitch of women's voices is usually lower than that of men's voices.
A
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