Displacement time equation of a particle executing SHM is, $\mathrm{x}=10\sin \left(\frac{\mathrm{\pi }}{3}\mathrm{t}+\frac{\mathrm{\pi }}{6}\right)\mathrm{cm}.$ The distance covered by particle in 3s is

• A

  5 cm

• B

  20 cm

• C

  10 cm

• D

  15 cm