If $2 \sin \theta+3 \cos \theta=2$ and $\theta \neq(2 n+1) \frac{\pi}{2}$ then $\sin \theta+\cos \theta=$

• A

  $\frac{5}{13}$
• B

  $\frac{3}{5}$
• Correct answer
  C

  $\frac{7}{13}$
• D

  $\frac{4}{5}$

Hence, the correct answer is option: 'C'.