(课文理解U5textA P15-16) Which sentence can describe the situation of workers without special or valuable skills according to paragraphs 15-16?
A.
It is not difficult for trade unions to organize workers online.
B.
Workers can not afford to pay for their pension pots and their health-care coverage has also decreased.
C.
Workers on a contract basis working through online platforms also have the right to gain a minimum wage.
D.
Because of automation, the demand for low-skill labors is increasing.