Questions 11 to 18 are based on the conversation you have just heard.

A．Doctors know less about chronotherapeutics than before.
B．Doctors in the U. S. used to be thirsty to know more about the new medical field.
C．The researchers insights are providing new strategies to cure common killers.
D．The strategic use of time in medicine attracts more attention in the medical circle in the U.S.

A．The girl received a phony message.
B．The victim was invited by the girl.
C．The girl managed to revenge the victim harmlessly.
D．The girl wasn’t expecting the victim.