单选题 Motivation is the driving force within individuals that impels them to action.
A. impedes B. interferes
C. holds D. pushes

【正确答案】 D
【答案解析】[解析] 动词辨析。
impels推动，推进，激励，趋势；A．impedes阻止，B．interferes 干涉，妨碍，抵触，C．holds保存，把握；D．pushes推动，推行，逼迫；因此选项 D为答案。