The author considers the Marxist sociologist' s thesis about the origins of racial prejudice to be______.

A．came from INS which keeps the samples
B．were offered by the emperor’s descendents
C．were offered by the emperor’s servants
D．were taken directly from the emperor’s body

A．He had a good appetite for various kinds of food.
B．He had a habit of drinking little and mixed it with water.
C．He had lost 11 kilos during the last five months of his life.
D．He was deported to the island of St Helena.