(单选题)
How much time did the researchers spend on reaching the final conclusion?
A.The whole six months
B.Fewer than six months
C.More than six months
D.Not mentioned
参考答案:A
参考解析:
细节理解题。根据第九段第一句“Participants in all conditions had significant increases in consumption of sugar-free coffee that lasted six months“可知,历经6个月的试验后得出结论:正念小组中喝无糖咖啡的人比那些想戒掉含糖咖啡的人多。故选A。
知识点: