Question

Many researchers believe that rice cultivation spread into southern China via a series of thrusts bringing rice into new lands. The idea that rice cultivation ultimately came from contact with groups from the Yangzi region:
a) has been entirely disproven
b) is supported by the presence of similar material culture at new farming settlements
c) is contradicted by the lack of similar material culture at new farming settlements
d) is an issue that has not been studied by researchers
e) none of the above

Answer

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