Qno. 148 plz explain the answer in detail..

​Q148. The fraction of a floating body of volume V₀ and density d₀ above the surface of liquid of density d will be 

    (a) $\frac{\mathrm{d}}{{\mathrm{d}}_0}$                                        (b) $\frac{{\mathrm{d}}_0}{\mathrm{d}}$

   (c) $\frac{\mathrm{d} -{\mathrm{d}}_0}{\mathrm{d}}$                                   (d) $\frac{{\mathrm{d}}_0}{\mathrm{d} - {\mathrm{d}}_0}$