Integrate : $\int \large\frac{\sec^2 x }{\sqrt {\tan x} }$$dx$

Question

\[\begin {array} {1 1} (a)\;2 \sqrt {\sec x }+c \\ (b)\;2 \sec x +c \\ (c)\;2 \tan x +c \\ (d)\;2 \sqrt {\tan x }+c \end {array}\]