`I CH_(2)=C=CH_(2) overset (H_(3)O^(+)) rarr`
`II CH_(3)C-=CH overset (H_(2)SO_(4) // HgSO_(4)) rarr`
`III CH_(3)C-= CH overset(BH_(3) . THF ) underset (H_(2)O_(2) //OH) rarr`
Acetone is the major product in `:`
A. `I,II`
B. `I,III`
C. `II,III`
D. `I,II,III`
