If $2\,cos\,\theta  + sin\, \theta \, = 1$ $\left( {\theta  \ne \frac{\pi }{2}} \right)$ , then $7\, cos\,\theta + 6\, sin\, \theta $ is equal to

  • [JEE MAIN 2014]
  • A

    $\frac{1}{2}$

  • B

    $\frac{46}{5}$

  • C

    $\frac{11}{2}$

  • D

    $2$

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