题目内容：
But I had reached the stage ________I found it difficult to be motivated for run-of-the-mill games.
A. when B. why C. where D. what
参考答案：
答案解析：
选择题：But I had reached the stage ________I found it difficult to be motivated for ...
- 题目分类： 职业能力测验
- 题目类型：选择题
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