【单选题】

Passage Two

Questions 29 to 31 are based on the passage you have just hearD、A、Turning offthe lights when you leave a room.
B、Passing a new national law on climate change.
C、Using low-flow showerheads in the bathroom.
D、Driving more efficient cars to the office.

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根据网考网移动考试中心的统计，该试题：
1%的考友选择了A选项
83%的考友选择了B选项
2%的考友选择了C选项
14%的考友选择了D选项