利用胰蛋白酶可将某胜肽水解为E-G-W-A-K、F-S-D-K 与A-A-K，利用胰凝乳蛋白酶可水解此胜肽为A-K-F、A-A-K-E-G-W 及S-D-K，则此胜肽的正确序列为何？（）

A.A-K-F-A-A-K-E-G-W-S-D-K
B.E-G-W-A-K-F-S-D-K-A-A-K
C.A-K-F-S-D-K-A-A-K-E-G-W
D.A-A-K-E-G-W-A-K-F-S-D-K
E.E-G-W-A-K-A-A-K-F-S-D-K