Jews were slaves in Egypt
The Israelites had been in Egypt for generations, but they had become so numerous the Pharaoh freard their presence. He thought the Israelites would turn against the Egyptians so he forced them to become his slaves
The main system of moral beliefs formed the centre of Chinese thought and culture for them is Confucianism.
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Side-note: Buddhism and Taoism are two other faiths were permitted official recognition. (But Confucianism was the main one, especially in Qing Dynasty)
The answer is C. </span>Confucianism.
When the writer rewrote the passage they added in exactly what their mother said. This an example of adding dialogue.