有关循证医学证据分级，证据级别从高到低正确的是（）

A.Systenmaic Reviews/Meta-analyses→Randomized Controled Trials→Case control studies→Case series→Case Reports
B.Randomized Controled Trials→Systenmaic Reviews/Meta-analyses→Case control studies→Case series→Case Reports
C.Case control studies→Case series→Case Reports→Systenmaic Reviews/Meta-analyses→Randomized Controled Trials
D.Case series→Case Reports→Systenmaic Reviews/Meta-analyses→Randomized Controled Trials→Case control studies