Her pocket was _ full of cards written in English which she used to remember words.A. stuffedB. stiffC. sufferedD. staff

此题考查的是词汇辨析。根据句意，她的口袋里装满了英文卡片，她用这些卡片来记忆单词。这里需要一个表示“装满”的词。选项中，A. stuffed（塞满）符合句意；B. stiff（僵硬的）；C. suffered（遭受）；D. staff（员工）都不符合句意。