题目：According to the text, recycling ______.
A. helps control the greenhouse effect
B. means burning packaging for energy
C. is the solution to gas shortage
D. leads to a waste of land
喵查答案：A
细节理解题。根据If such packaging is burnt, it gives off greenhouse gases which go on to cause the greenhouse effect. Recycling helps, but the process itself uses energy.可知A项正确。
