$\begin{array}{1 1}(A)\;y(\sec x +\tan x) = \sec x + \tan x - x + C \\(B)\;y(\sin x -\tan x) = \sec x + \tan x - x + C \\ (C)\;y(\sec x +\tan x) = \sec x - \tan x - x + C \\ (D)\;y(\sec x +\tan x) = \sec x + \sin x - x + C\end{array} $