A. Areas south of the Yangtze basin currently have less wild-rice habitat than they once did.
B. Surveys since 1984 have shown wild rice populations along the upper Yangtze as well as along the middle and lower Yangtze.
C. The populations of wild rice along the Yangtze represent strains of wild rice that migrated to the north relatively recently.
D. Early rice-farming societies along the Yangtze were not as highly developed as archaeologists once thought.
E. In East Asia, the historical geographic range of wild rice was more extensive than the present-day geographic range is.
2.2. Based on the passage, skeptics of the idea that rice cultivation began in the Yangtze River region can point to which of the following for support?
A. Lack of evidence supporting the existence of rice-farming societies along the Yangtze at an early date
B. Lack of evidence regarding the initial stages of rice cultivation in the Yangtze region
C. Recent discoveries pertaining to the historical geographic range of rices wild ancestor
D. New information regarding the dates of very early domestic rice from Southeast Asia
E. New theories pertaining to how hunter-gatherers first developed rice agriculture in East Asia
2. 3. Which of the following can be inferred from the passage about the southern-origin theory?
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