问题补充：
—Ouch! You hurt me.
—Im sorry. But I any harm. I to drive a rat out.
A. don mean; am trying
B. didn mean; tried
C. haven meant; tried
D. didn mean; was trying
答案：
A. don mean; am trying
B. didn mean; tried
C. haven meant; tried
(答案→)D. didn mean; was trying
解析：D 考察动词时态。—哎呀！你伤到我了。—对不起，但我不是有意要伤你的。我当时正尽力把一只老鼠赶出去。由hurt这一动作发生在过去可知，第一空应该使用一般过去时。且根据句义可知，try这一动作不是在过去某个时间正在进行，所以第二空应该使用过去进行时。
