单项选择题
A.dilatory ; futile B.methodical ; difficult C.efficient ; dangerous D.malingering ; antithetical E.repugnant ; obtuse
A.percipient ; reasonable B.philanthropic ; dogmatic C.importunate ; fortunate D.inconsistent ; catholic E.self-aggrandizing ; unassuming
A.an enigma ; charismatic B.a revolutionary ; vapid C.a leader ; self-effacing D.a martinet; imperious E.a prodigy; prolific