参考答案

正确答案：D
解析：本题可能考查女士得病的原因。对话中男士说And also you increase your exposure to a virus when you're in big crowds where lots of people are coughing and sneezing, 接着女士解释了自己在假期的行为，我假期间花了大量时间在百货商店里给朋友买礼物，故答案为D项。