Find the Specified $n$ Th Term in the Expansion of the Binomial

Find the specified $n$ th term in the expansion of the binomial. (Write the expansion in descending powers of $x$ .)
$$( 2 x - 3 y ) ^ { 8 } , n = 5$$

A) $448 x ^ { 3 } y ^ { 5 }$
B) $90,720 x ^ { 4 } y ^ { 4 }$
C) $56 x ^ { 3 } y ^ { 5 }$
D) $6561 y ^ { 8 }$
E) $6720 x ^ { 3 } y ^ { 5 }$