Factor the Trinomial Completely $5 x ^ { 2 } y + 5 x y - 25 y$

Multiple Choice

Factor the trinomial completely. If the polynomial cannot be factored, write "prime."
- $5 x ^ { 2 } y + 5 x y - 25 y$

A) $y \left( 5 x ^ { 2 } + 5 x - 25 \right)$
B) 5y(x + 5) (x - 1)
C) 5(x + 5y) (x - 1)
D) $5 y \left( x ^ { 2 } + x - 5 \right)$