24. In the 1980s, remote work was possible because _____.
(A) people had more space
(B) trains were better
(C) new technology had been developed
(D) companies reduced working hours
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統計: A(0), B(0), C(1), D(0), E(0) #3915275
統計: A(0), B(0), C(1), D(0), E(0) #3915275