单选题 Months of staying at home have changed our lifestyles. Online activities have boomed during the epidemic, from telecommuting and online education to online shopping
remote medical services.
For employees, especially white-collar workers, telecommuting tools such as video conferences and online office software make working from home more feasible. Acco
China Daily, Alibaba' s all-in-one mobile workplace DingTalk has served more than 10 million enterprises and over 200 million people. Tencent Meeting can provide free
over 300 participants per audio or video conference.
Meanhile, likeDingTalk, many apps have been used by students and their teachers for online “Cloud platforms” have also been provided by the Ministry of Eaucation ap to continuing education among students across the country.
Internet companies,such as NetEase, recently opened a full chain of contactless recruitment through online resume submission and online interviews. The candidates c sign contracts, attend training workshops, and even begin work over the internet.

Many museums and galleries in China have also been closed to visitors,but they have launched various online exhibitions to provide a creative touring experience for th country’s vast number of stay-at home visitors.

According to the passage, why have many museums and galleries in China launched various online exhibitions? Because（ ）。