56．According to the passage，an albino refers to a person ．
A．who has bad eyesight B．who is born with white skin and hair
C．who looks older than his age D．who joins the circus
57．What does the underlined word “It” in Paragraph 2 refer to?
A．The fact that the author was born an albino．
B．The way that the author's parents treated him．
C．What had to be done differently to the author．
D．The fact that the author had no idea what an albino was．
