阅读材料，从选项中为各小题选择最佳的标题。

【小题1】 Steve wanted to do something to keep healthy. But he didn’t know how to do to that at home. 【小题2】 Lily needed to go to the supermarket to buy some vegetables, but her husband advised her to shop online. 【小题3】 Mike had to go to the bank, but he was worried about going out. He didn’t know if masks were useful in public places. 【小题4】 Linda’s son didn’t like washing his hands. He thought his hands were clean and that washing hands was useless. 【小题5】 Jenny had a cold, but it wasn’t very serious. She wasn’t sure whether she should go to work or stay at home.

A. A medical mask may help you stay away from most viruses (病毒). That’s why you need to wear a mask whenever you’re going out to a public place. B. Stay at home if you have a common cold. You can take some medicine. It’s good for you and good for others too. C. No matter how much you love to go shopping, you need to avoid visiting places like shopping centers and markets. Places like these are filled with viruses. D. If you touch something outside, you need to wash your hands with alcohol-based hand sanitizer (含酒精的洗手液). The alcohol can kill most viruses on your hands. E. You can do some simple everyday exercise to keep fit at home. And you can also take online courses to do some sports.