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已知二次函數(shù)，當(dāng)自變量取兩個(gè)不同的值時(shí)函數(shù)值相等，則當(dāng)自變量取時(shí)函數(shù)值與(         )

A．時(shí)的函數(shù)值相等	B．時(shí)的函數(shù)值相等
C．時(shí)的函數(shù)值相等	D．時(shí)的函數(shù)值相等

已知二次函數(shù)，當(dāng)自變量取兩個(gè)不同的值時(shí)函數(shù)值相等，則當(dāng)自變量取時(shí)函數(shù)值與(         )

A．時(shí)的函數(shù)值相等　　               B．時(shí)的函數(shù)值相等

C．時(shí)的函數(shù)值相等　                D．時(shí)的函數(shù)值相等

已知二次函數(shù)，當(dāng)自變量取兩個(gè)不同的值、時(shí)，函數(shù)值相等，則當(dāng)自變量取時(shí)的函數(shù)值與（  ） 

A．時(shí)的函數(shù)值相等                               B．時(shí)的函數(shù)值相等

C．時(shí)的函數(shù)值相等                              D．時(shí)的函數(shù)值相等

(2006，南通)已知二次函數(shù)，當(dāng)自變量x取兩個(gè)不同的值，時(shí)，函數(shù)值相等，則當(dāng)自變量x取時(shí)的函數(shù)值與

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A．x=1時(shí)的函數(shù)值相等

B．x=0時(shí)的函數(shù)值相等

C．時(shí)的函數(shù)值相等

D．時(shí)的函數(shù)值相等