【正确答案】 B

【答案解析】此题属于语意搭配题。impress表示“给…．留下印象”，例如：(1)I impressed on him the importance of punctuality．(2)I'm very impressed by/with what's happening．原句意为；高质量的医疗服务给许多人留下了印象，故选项[B]impressed正确。选项[A]compress表示“压缩，浓缩”，常用搭配为compress...into;选项[C]obsess表示“受困扰，迷住”，例如：She is obsessed with the desire to become a movie star．选项[D]repress表示“抑制，镇压”，如:repress one's anger。