What is the product of the following sequence of reactions? \[{{\left( C{{H}_{3}} \right)}_{2}}C=CH.C{{H}_{2}}C{{H}_{3}}~\xrightarrow[(ii)\,{{H}_{2}}{{O}_{2}},O{{H}^{-}}]{\left( i \right)B{{H}_{3}}/THF}\] \[\xrightarrow[C{{H}_{2}}C{{l}_{2}}]{PCC}\,\,\xrightarrow[(ii)\,{{H}_{3}}{{O}^{+}}]{(i)\,C{{H}_{3}}MgBr}\]

• A. 2, 4- dimethyl - 3 - pentanol
• B. 2, 3- dimethyl - 3 - pentanol
• C. 2, 3 - dimethyl - 2 - pentanol
• D. 2, 2- dimethyl - 3 - pentanol