Given the Following MRNA Sequence,which of the Following Mutations Would

Given the following mRNA sequence,which of the following mutations would affect the protein sequence?
5′ - AUG CAG UUA GCG UGC UAG - 3′

A) 5′ - AUG CAA UUA GCG UGC UAG - 3′
B) 5′ - AUG CAG UUA GCA UGC UAG - 3′
C) 5′ - AUG CAG UUG GCG UGC UAG - 3′
D) 5′ - AUG CAA UUA GCG UGU UAG - 3′
E) 5′ - AUG CAC UUA GCA UGC UAG - 3′