thE pArAgrAph Following thE pAssAgE will most proBABly DisCuss ______ .
A．ExAmplEs oF suCCEssFul young mEn
B．how to BuilD up onE's position in soCiEty
C．joys AnD pAins oF olD pEoplE
D．whAt to Do whEn onE hAs proBlEms in liFE