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$\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {C{H_3} - C{H_2} - C - C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Ph} 
\end{array}$ can not be prepared by

• ✓
  $HCHO + PhCH(CH_3)CH_2MgX$
• B
  $PhCOCH_2CH_3 + CH_3MgX$
• C
  $PhCOCH_3 + CH_3CH_2MgX$
• D
  $CH_3CH_2COCH_3 + PhMgX$