Find the Specified Nth Term in the Expansion of the Binomial.​

Multiple Choice

Find the specified nth term in the expansion of the binomial.​ $( 4 a + 5 b ) ^ { 5 } , n = 5$ ​

A) $12,500 a b ^ { 4 }$
B) $12,500 a b$
C) $12,500 a ^ { 4 } b$
D) $12,500 a ^ { 4 } b ^ { 4 }$
E) $12,500 a ^ { 5 } b ^ { 5 }$