题目

Many of us have had this annoying experience: You are waiting at a bus station when someone nearby begins to smoke a cigarette. You frown and move, but it seems that there isn't much you can do about it.The situation is changing now, as in Beijing, a new ban is set to fight against smoking. Seen as the toughest anti-smoking regulation in China's history, the law makes smoking in Beijing locations such as offices, restaurants, hotels and hospitals punishable by fines.Businesses that fail to rein in smoking can be fined up to 10,000 yuan and repeat offenders could have their licenses revoked (—______ Mary like meat? —Yes, she does. [     ]A. Do             B. Is         C. Does