单选题 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

【正确答案】 A

【答案解析】[解析] 本题意为“众所周知，我国的退休工人有权享受免费医疗”。A项的“be entitled to被授予……的权利”，如：This ticket entitles you to a free lunch.(凭此券你可免费吃一顿午餐。)其他三项“be involved in参加，参与；be associated with与……有联系；be assigned to被分配给”都不正确。