—All the isatis root（板蓝根） is sold out!
—People are crazy! experts say there is no use eating isatis root to prevent
H7N9, some people still don’t believe it.
A. Although
B. Unless
C. As a result
D. In order that
网友回答
(答案→)A. Although
B. Unless
C. As a result
D. In order that
解析：Although虽然，尽管； Unless除非，如果不；As a result因此，结果是；In order that为了，以便。句意：所有的板蓝根已经卖光了。——人们都疯了。尽管专家们说了，预防H7N9吃板蓝根没有用，人们仍旧不相信。结合语境可知选A。