单项选择题
A.a^(2*n+1)/(b^(2*n-1)*C)^4 B.(a^(2*n+1)/(b^((2*n-1)*C)))^4 C.(a^(2*n+1)/(b^(2*n-1)^C))^4 D. a^(2*n+1)/(b^((2*n-1)*C))^4