Find the Degree of the Polynomial $$8 s ^ { 2 } t ^ { 2 } + 8 s t$$

Multiple Choice

Find the degree of the polynomial. $$8 s ^ { 2 } t ^ { 2 } + 8 s t$$

A) $16$
B) $8$
C) $6$
D) $2$
E) $4$