According to the biblical story, Moses departed to the mountain and stayed there for 40 days and nights in order to receive the Ten Commandments and he did so twice because he broke the first set of the tablets of stone after returning from the mountain for the first time.
5. C. golden calf
God informed Moses that he had tried the Israelites in his absence and that they had failed by worshipping the golden calf. Returning to the Israelites in great anger, Moses asked Aaron why he had not stopped the Israelites when he had seen them worshipping the golden calf.
