单选题How was the public motivated to help the health workers?A By educating them.B By rewarding them for reporting cases.C By isolating them from others.D By giving them vaccinations.
题目
单选题
How was the public motivated to help the health workers?
A
By educating them.
B
By rewarding them for reporting cases.
C
By isolating them from others.
D
By giving them vaccinations.