$\begin{array}{1 1} (A)\;\large\frac{\tan ^2 x}{2}+\frac{\tan ^4 x}{4}+c \\ (B)\;\tan x+\frac{\tan ^2 x}{2}+c \\ (C)\;\large\frac{\tan ^3 x}{3}-\frac{\tan ^5 x}{5}+c \\ (D)\;\large\frac{\tan ^3 x}{3}+\frac{\tan ^5 x}{5}+c \end{array} $