l am sorry l make__mistake.but l won`t make the same mistake for__ second timeA.a;a B.a;the C.the:the D.a;不填 请问为什么

l am sorry l make__mistake.but l won`t make the same mistake for__ second time
A.a;a B.a;the C.the:the D.a;不填 请问为什么

前面是泛指,犯了个错,用不定冠词,后面a second time是固定搭配,以为再一次,