Find the 5th Term in the Binomial Expansion $$( a + \sqrt { 3 } t ) ^ { 9 }$$

Multiple Choice

Find the 5th term in the binomial expansion. $$( a + \sqrt { 3 } t ) ^ { 9 }$$

A) $\quad 126 a ^ { 5 } t ^ { 4 }$
B) $\quad 2,536 a ^ { 6 } t ^ { 3 }$
C) $\quad 2,536 a ^ { 5 } t ^ { 4 }$
D) $\quad 1,134 a ^ { 4 } t ^ { 5 }$
E) $\quad 1,134 a ^ { 5 } t ^ { 4 }$