Amy thinks mooncakes are too sweet. She _____ eats them.[ ]

A. often        

B. always    

C. usually        

D. seldom

“可怜赵军作坑魂，自此英雄不敢西”说的是下列哪次战役  [ ]

A．城濮之战    

B．桂陵之战    

C．马陵之战    

D．长平之战