For independent process at 300 K

Process	$\mathrm{\Delta H/kJ~mol^{-1}}$	$\mathrm{\Delta S/J~K^{-1}}$
A	$-25$	$-80$
B	$-22$	40
C	25	$-50$
D	22	20

The number of non-spontaneous process from the following is __________