过去进行时描述正在发生的动作 — 英语选择题
题目
At 5:10 yesterday, the storm grew stronger. Noah began closing the windows at 5:05 and finished at 5:15. What was Noah doing when the storm grew stronger? A. He closed the windows. B. He was closing the windows. C. He is closing the windows. D. He were closing the windows.