thE Author's purposE in writing thE pAssAgE is _________.
A．to givE ADviCE on AppropriAtE ConDuCt For soCiAl oCCAsions
B．to proviDE wAys oF how to oBtAin inFormAtion ABout pEoplE
C．to CAll thE rEADEr's AttEntion to thE nEgAtivE siDE oF pEoplE's ChArACtErs
D．to DisCuss thE vArious AspECts oF gEtting to know pEoplE