Which of the following procedures would be best for achieving for following reaction ?
A. (i)`KHO and heat , (ii) CH_(3) - C -= C- Br`
B. (i) `KMnO_(4) and heat , (ii) CH_(3) c -= overset(ө) , (iii)"excess" H_(2) O`
C. (i) `MBS "in" CCl_(4) and heat (ii) CH_(3) -C -= overset(ө)`
D. (i) `Mg "in ether" , (ii) CH_(3) - C -=overset(ө) , (iii) "excess" H_(3) PO_(4)`