Partial hydrolysis of gamicidin `(S)` gave the following dipeptides `//` Tripeptides
`(` Leu `-` Phe `) (` Phe `-` Pro `) (` Phe `-` Pro `-` Val `) ( ` Val `-` om `-` Leu `) (` Om `-` Lu ) (` Val `-` om ) ( ` Pro `-` val `-` om `)`
A. `[-` PHe`-` pro`-` val`-` leu`-` om`-]_(n)`
B. `[-`Pro`-`val`-`om`-`leu`-`phe`-]_(n)`
C. `[-` Om`-`leu`-`phe`-`val`-` pro`-]_(n)`
D. `[-` Val`-`om`-`pro`-`leu`-`phe`-]_(n)`