thE writEr's mAin point in writing this ArtiClE is ______.
A．to wArn soCiEty oF inCrEAsing soCiAl proBlEms
B．to EmphAsizE thE FAthEr's rolE in thE FAmily
C．to DisCuss thE rEsponsiBilitiEs oF FAthErs
D．to show sympAthy For onE—pArEnt FAmiliEs