用二分法來檢索數(shù)據(jù),最確切的說法是 () 。A.僅當(dāng)數(shù)據(jù)隨機排列時,才能正確地檢索數(shù)據(jù) B.僅當(dāng)數(shù)據(jù)有序排列時,才能正確地檢索數(shù)據(jù) C.僅當(dāng)數(shù)據(jù)量較大時,才能有效地檢索數(shù)據(jù) D.僅當(dāng)數(shù)據(jù)量較小時,才能有效地檢索數(shù)據(jù)