( A ) hydrolysis of $(CH_3)_3SiCl_3$ followed by condensation polymerization
( B ) hydrolysis of $(CH_3)_3SiCl$ by addition polymerization
( C ) hydrolysis of $(CH_3)_4Si$ followed by aadition polymerization
( D ) hydrolysis of $(CH_3)_2SiCl_2$ followed by condensation polymerization
