Which of the Following Is a Trinomial of Degree 8 $6 x ^ { 8 } + 5$

Multiple Choice

Which of the following is a trinomial of degree 8?

A) $6 x ^ { 8 } + 5$
B) $6 x ^ { 3 } y ^ { 4 } z - 6 y z + 7$
C) $6 x ^ { 2 } - 6 x + 6$
D) $5 x ^ { 8 }$