What does Osumo tell the young people
选项：

A:Don't be afraid of unployment and open your own business.
B:Working at full capacity and practicing social distancing are the key factors to survive the Covid-19 pandemic.
C:Be brave to make good use of social media to promote your trade as long as you believe in it.
D:You can do business and promote yourselves well only if you can use modern technology.