Factor the Trinomial, If Possible $40 m ^ { 2 } + 41 m n + 10 n ^ { 2 }$

Multiple Choice

Factor the trinomial, if possible.
- $40 m ^ { 2 } + 41 m n + 10 n ^ { 2 }$

A) $( 8 m + 5 n ) ( 5 m + 2 n )$
B) $( 8 m + 2 n ) ( 5 m + 5 n )$
C) $( 8 m - 5 n ) ( 5 m - 2 n )$
D) $\left( 8 m + 5 n ^ { 2 } \right) ( 5 m + 2 )$