叙述过去正在发生的事件 — 英语选择题
题目
选出能表达“地震发生时，村民们正在睡觉”的句子。A. When the earthquake struck, the villagers were sleeping. B. When the earthquake struck, the villagers was sleeping. C. When the earthquake struck, the villagers slept. D. When the earthquake struck, the villagers are sleeping.