
图a
请回答下列问题:

图b
请回答下列问题:
图a
(单选,填字母:A .=AVERAGEIF($A$4:$A$63,"高一*",C4:C63)/ B .=AVERAGEIF($A4:$A63,"高一*",C4:C63) / C .=AVERAGEIF($A4:$A63,"高一*",B4:B63 )
图b
请回答下列问题:
B .
C .
D .
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B .
C .
D .