$$ {x^{8}+4 over{x^{4}+2x^{2}+2}}$$ is equal to

• A. $$ {x^{4}+2x^{2}-2}$$
• B. $$ {x^{4}-2x^{2}+2}$$
• C. $$ {x^{4}-2x^{2}-2}$$
• D. Can t be simplified