What can you infer (educated guess) about ancient China from the map? (1 point)

A. The ancient Chinese did not need to trade because they had many different resources
B. The physical geography of China made it difficult to trade with other civilizations.
C. The physical geography of ancient China made it easy for them to trade with other civilizations.
D. Chinese dynasties traded with people to the north.

B. The physical geography of China made it difficult to trade with other civilizations.