A soil has bulk density $2\mathrm{.}30\frac{g}{c}{m}^3$ and water content $15$ per cent, the dry density of the sample, is

$($A$)1\mathrm{.}0\frac{g}{c}{m}^2$

$($B$)1\mathrm{.}5\frac{g}{c}{m}^3$

$($C$)2\mathrm{.}0\frac{g}{c}{m}^3$

$($D$)2\mathrm{.}5\frac{g}{c}{m}^3$