49. What is the definition of “mass produce” in the final paragraph?
(A) To use fewer workers to finish a task.
(B) To complete doing something quickly.
(C) To grow something in a variety of places.
(D) To produce large quantities of something.ˉ
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統計: A(23), B(73), C(47), D(222), E(0) #1278539
統計: A(23), B(73), C(47), D(222), E(0) #1278539