题目内容：
The cows jumped upon their masters because______.
A. they were not fed
B. they were so hungry
C. they were whipped so hard by them
D. they were so happy
参考答案：【答案仅供学习，请勿对照自行用药等】
选择题：The cows jumped upon their masters because______.
- 题目分类：习题答案
- 题目类型：选择题
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