Simplify the Following Expression by Combining Similar Terms $3 y ^ { 10 } - 5 j ^ { 6 } + 3 y ^ { 10 } + 9 j ^ { 6 }$

Multiple Choice

Simplify the following expression by combining similar terms. $3 y ^ { 10 } - 5 j ^ { 6 } + 3 y ^ { 10 } + 9 j ^ { 6 }$

A) $6 y ^ { 20 } + 4 j ^ { 12 }$
B) $4 y ^ { 10 } + 6 j ^ { 6 }$
C) $6 y ^ { 6 } + 6 j ^ { 6 }$
D) $6 y ^ { 10 } + 4 j ^ { 6 }$