题目内容：
He acted as if 回答C
the result of the election.
A. is certain of
B. certain
C. certain of
D. he is certain of
参考答案：
选择题：He acted as if 回答Cthe result of the election.
- 题目分类：广东开放大学-大学英语2
- 题目类型：选择题
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C
the result of the election.
A. is certain of
B. certain
C. certain of
D. he is certain of