Either the ways or the time ____ yet, but you may ask the headmaster for some information．
A．isn’t decidedB．hasn’t decidedC．a(chǎn)ren’t decided D．haven’t decided
A
考查時(shí)態(tài)及主謂一致。句意：無論方法還是時(shí)間都還沒有決定。但是你可以問問校長(zhǎng)更多的信息。根據(jù)主謂就近原則，謂語動(dòng)詞與time保持一致，time為抽象名詞，不可數(shù)，故謂語動(dòng)詞用單數(shù)形式，選A。
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