單項選擇題維生素D缺乏性手足抽搐癥驚厥治療步驟應(yīng)是()

A.補(bǔ)鈣—止驚—VitD
B.止驚—補(bǔ)鈣—VitD
C.VitD—止驚—補(bǔ)鈣
D.補(bǔ)鈣—VitD—止驚