For an aqueous solution, freezing point is $-0.186^{\circ}C$. Elevation of the boiling point of the same solution is $(K_f = 1.86^{\circ} mol^{-1} kg$ and $K_b = 0.512^{\circ} mol^{-1}kg)$ :

Question

( A ) $5.12^{\circ}$
( B ) $0.0512^{\circ}$
( C ) $1.86^{\circ}$
( D ) $0.186^{\circ}$