The Antiderivative $\int 4 \sec ^ { 2 } x d x$

Multiple Choice

The antiderivative $\int 4 \sec ^ { 2 } x d x$ is

A) $\int 4 \sec ^ { 2 } x d x$
B) $\frac { 4 ( \tan x ) ^ { 3 } } { 3 } + C$
C) $2 ( \tan x ) ^ { 2 } + C$
D) $2 ( \sec x ) ^ { 2 } + C$
E) $4 \tan x + C$