What is the main idea of the passage? [br] What made recycling a major factor on

游客2024-03-06  15

问题 What is the main idea of the passage? [br] What made recycling a major factor on the urban scene in 1970s?

选项 A、Financial viability in the 1960s.
B、Tax incentives and rapid depreciation.
C、Growing interest in ecology issues.
D、Both B and C.

答案 D

解析
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