Write the First Four Terms of the Binomial Expansion $(m+3 n)^{13}$

Multiple Choice

Write the first four terms of the binomial expansion.
- $(m+3 n) ^{13}$

A) $m^{13}+3 m^{12} n+9 m^{11} n^{2}+27 m^{10} n^{3}$
B) $m^{13}+39 m^{12} n+702 m^{11} n^{2}+7722 m^{10} n^{3}$
C) $m^{13}+39 m^{12} n+234 m^{11} n^{2}+858 m^{10} n^{3}$
D) $m^{13}+13 m^{12} n+78 m^{11} n^{2}+286 m^{10} n^{3}$