On combustion 0.210 g of an orgainc compound containing $\mathrm{C}, \mathrm{H}$ and O gave $0.127 \mathrm{~g} \mathrm{H}_2 \mathrm{O}$ and 0.307 $\mathrm{g} \mathrm{CO}_2$. The percentages of hydrogen and oxygen in the given organic compound respectively are:

• A

  $53.41,39.6$
• Correct answer
  B

  $6.72,53.41$
• C

  $7.55,43.85$
• D

  $6.72,39.87$

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