$\int e^{\tan x}(\sec^2 x + \sec^3 x \sin x) dx =$

  • A
    $\tan x \cdot e^{\tan x} + c$
  • B
    $(1 + \tan x) e^{\tan x} + c$
  • C
    $\sec x \cdot e^{\tan x} + c$
  • D
    $e^{\tan x + \tan x} + c$

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