What evidence from the passage best supports the inference that white sugar was rarer and more valuable than brown sugar? Select two options.
A
"Egypt became the world's great sugar laboratory"B
"The kind of sugar easiest to produce from cane is dark"C
"drain out the dark molasses to use by itself"D
"wanted it to be as pure, sweet, and white as possible"E
"Egyptians figured out how to meet that need"