the movie star has always been the focus of much media attention, he tries to lead a normal life.
A. When
B. While
C. Unless
D. Since
网友回答
A. When
(答案→)B. While
C. Unless
D. Since
解析：句意：虽然影星已经是媒体关注的焦点，但是他试图过一种正常人的生活。when 当……时候； while 虽然； unless 除非； since既然。根据句意故选B。