第34题: [单项选择]It is well-known that the retired workers in our country are ____________free medical care. A. entitled to B. involved in C. associated with D. assigned to 参考答案:A 答案解析:entitled to 是“有资格享受”。B.involved in是“牵扯,陷入”;C.associated with是“与……有关”;D.assigned to是“把……分配给”。