According to the passage, what type of food or drink is most likely to cause dental decay（）

A．The air pollution is caused by the development of industry.
B．The city was poor because there wasn’t much industry then.
C．The woman’s exaggerating the seriousness of the pollution.
D．He might move to another city very soon.

A．The patient must receive treatment regularly.
B．The patient can’t leave the hospital until the bleeding stops.
C．The patient’s husband can attend to the business in her place.
D．The patient must take a good rest and forget about her business.