Correct relationship between heat of fusion `(DeltaH_(fus))`, heat of vaporization `(DeltaH_("vap"))` and heat of sublimation `(DeltaH_("sub"))` is
A. `DeltaH_("fus")=DeltaH_("vap")+DeltaH_("sub")`
B. `DeltaH_("vap")=DeltaH_("fus")+DeltaH_("sub")`
C. `DeltaH_("sub")=DeltaH_("vap")+DeltaH_("fus")`
D. `DeltaH_("sub")=DeltaH_("vap")-DeltaH_("fus")`
