单选题 People innately ______ for superiority over their peers although it sometimes takes the form of an exaggerated lust for power.
A. strive B. ascertain C. justify D. adhere

【正确答案】 A

【答案解析】[解析] 短语strive for something的意思是“奋斗，争取”；ascertain whether/what/how/that的意思是“确定，探知”；justify(doing)something的意思是“证明……是正当的”；adhere to something的意思是“坚持”。根据题意A项为正确答案。