Without Expanding Completely, Find the Middle Term in the Expansion $\left( x ^ { 1 / 3 } + y ^ { 1 / 3 } \right) ^ { 12 }$

Multiple Choice

Without expanding completely, find the middle term in the expansion of the expression. $\left( x ^ { 1 / 3 } + y ^ { 1 / 3 } \right) ^ { 12 }$

A) $1,320 x ^ { 3 } y ^ { 2 }$
B) $924 x ^ { 3 } y ^ { 3 }$
C) $1,320 x ^ { 3 } y ^ { 3 }$
D) $924 x ^ { 2 } y ^ { 2 }$
E) $1,320 x ^ { 2 } y ^ { 2 }$