单选题 We'd better ______ the whole placein case it's been bugged.
A. leave alone B. check out C. take down D. pull down

【正确答案】 B
【答案解析】[解析] (check out检查)。句意为：我们最好将整个住所检查一下，以防有人安了窃听器。A．leave alone不管，不理会；C．take down拿下，记下；D．pull down推翻，摧毁。