题目内容：
It is well-known that the retired workers in our country are eligible to free medical care.
A．entitled to B．involved in
C．associated with
D．assigned to
参考答案：
答案解析：
单选题：It is well-known that the retired workers in our country are
- 题目分类：综合类
- 题目类型：单选题
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B．involved in
C．associated with
D．assigned to