Propyne on ozone treatment followed by oxidative degradation gives

• A

  ${\mathrm{CH}}_3\mathrm{COOH}+\mathrm{HCOOH}$

• B

  $2\text{ moles of }{\mathrm{CH}}_3\mathrm{COOH}$

• C

  2-oxopropanal

• D

  $2\text{ moles of }\mathrm{HCOOH}$