A single phase full converter is supplied from $230V,50Hz$ supply. The load current is continuous and ripple free. If the average current $I_0=150$Amp and the source inductance $L_s=0\mathrm{.}1mH.$ The overlap angle at $=10$ is

$($A$)1\mathrm{.}95$

$($B$)2\mathrm{.}95$

$($C$){3\mathrm{.}17}^0$

$($D$)4\mathrm{.}95$