List the Like Terms of the Expression $$3 x ^ { 6 } + 6 x ^ { 2 } - 8 + 8 x ^ { 6 } - 2 x ^ { 2 } + 7 x$$

Multiple Choice

List the like terms of the expression.
- $$3 x ^ { 6 } + 6 x ^ { 2 } - 8 + 8 x ^ { 6 } - 2 x ^ { 2 } + 7 x$$

A) $3 x ^ { 6 } , 6 x ^ { 2 } , 8 x ^ { 6 }$ and $- 2 x ^ { 2 }$ are like terms
B) $3 x ^ { 6 }$ and $8 x ^ { 6 }$ are like terms
$6 \mathrm { x } ^ { 2 }$ and $- 2 \mathrm { x } ^ { 2 }$ are like terms
- 8 and $7 x$ are like terms
C) $3 x ^ { 6 }$ and $8 x ^ { 6 }$ are like terms
$6 x ^ { 2 } , - 2 x ^ { 2 }$ , and $7 x$ are like terms
D) $3 x ^ { 6 }$ and $8 x ^ { 6 }$ are like terms
$6 x ^ { 2 }$ and $- 2 x ^ { 2 }$ are like terms