What Did the Confucian Scholar Mencius Believe About Human Nature

What did the Confucian scholar Mencius believe about human nature?

A) People are born corrupt and must be forced to act properly.
B) With a moral leader, people can be left alone and will automatically emulate the ruler's behaviour.
C) People are either born good or evil, and this nature is unchangeable.
D) Other than a few elite, for the most part people are stupid and ignorant.
E) People's sensitivity to others' suffering is innate, but must be cultivated.