贾谊《过秦论》,总结秦亡的教训在于“仁义不施而攻守之势异也。”这一认识与西汉的哪一项政策相呼应( )
A:世卿世禄
B:独尊儒术
C:反击匈奴
D:与民休息
— Peter doesn't mind lending you his camera.
— He ________. I've already borrowed one.
本诗选自《诗经》,《诗经》分“风”“雅”“颂”三个部分,本诗属于____