单选题
From the last three paragraphs we know that ______.
A、
lengthening the existing 53-kilometer subway is among the 50 large projects
B、
the length of the subway will be up to 135.25 kilometers in 2005
C、
a 40.5-meter-long line will be added to Beijing's first light railway
D、
a 70-meter-wide green belt will supply us with enough water
【正确答案】
A
【答案解析】
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