单选题 Everyone in American these days seems to be______with his or her physical fitness, and everyone is talking about getting in shape.

【正确答案】 A

【答案解析】解析：固定搭配。句意为：如今的美国人似乎很关心自己的健康，所有人都在讨论怎样健身。concern“涉及，关系到；使担心”；allure“引诱，诱惑；吸引”；connect“连接”；attract“吸引；引起”。be concerned with意为“关心”。故答案为A。