1. (2020·绵阳模拟) 阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以 填入空白处的最佳选项。

     My wife, Megan, and I went out to dinner with an old friend who we had not seen in a while. There had been some talk of COVID-19 in the news, but it was early in the outbreak and people were still1their daily routines. Even though everyone in our group felt perfectly2, we took precautions: We washed our hands with soap, did not3food, and had no significantly close contact (接触).

     A few days later, our friend called and4us that she had tested positive for the coronavirus (冠状病毒).5, the day after that, I started to feel a little6and my head was also a bit cloudy. I woke up the next morning with a7. That's when we realized that I might have8the virus from our friend. Without any9, Megan called our stated coronavirus hotline. We10that we had been in touch with someone who had tested positive, and I was having11. They quickly approved me to12a test, through which my infection was eventually13.

     We immediately14everyone we had been in touch with to let them know that I had tested positive. It was the15thing to do. Although it is16to tell people we might have given them a virus, not telling the truth would have been17and irresponsible. It wasn't an option for us, and it shouldn't be an option for anyone in our18.

     While we have been isolated (隔离)in the hospital since the test, we have felt such love and19from those around us and outside world. We don't have any particular reason to20that everything will be OK.