The major aromatic product $\mathrm{C}$ in the following reaction sequence will be :

 

The major product of the following reaction is:

The major product of the following reaction is:
 

The aldehydes which will not form Grignard product with one equivalent of Grignard reagents are
$\left(\mathrm{A}\right)$

$\left(\mathrm{B}\right)$

$\left(\mathrm{C}\right)$

$\left(\mathrm{D}\right)$

cannot be prepared by: