【单选题】In 1930, W. K. Kellogg made what he thought was a sensible decision, grounded in the best economic, social and management theories of the time. Workers at his cereal plant in Battle Greek, Mich. were ...
A.
Workers at Kellogg's plant work two hours less every day.
B.
Workers at Kellogg's plant get five dollars more every day.
C.
Workers at Kellogg's plant get only five dollars each day.
D.
Workers at Kellogg's plant work less and earn more.