onE Aim oF psyChologiCAl rEsEArCh is to_____.
A．stuDy workEr CAnDiDAtEs' intElligEnCE AnD ChArACtEristiCs
B．DisCovEr thE spECiAl intElligEnCE AnD pErsonAlity ChArACtEristiCs oF workEr CAnDiDAtEs'
C．solvE thE spECiFiC proBlEm
D．hElp ChoosE thE right or suitABlE workErs For pArtiCulAr joBs