单选题 The key to success is remembering that every hurdle crossed is one less hurdle in the ______ of your personal ambition.
A. pursuit B. proportion C. promotion D. propulsion

【正确答案】 A
【答案解析】[解析] (pursuit追求，寻求)。句意为：成功的关键是要记住在追求个人目标的过程中越过一个障碍就少一个障碍。B．proportion比例；C．promotion促进，推销；D．propulsion推进，推进力。