月经先期属于以周期异常为主的月经病，既往亦称其为（）

A.经水不及期

B.经期超前

C.经早

D.经乱

E.月经愆期

Question 26 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question.
Now, listen to the news.

A．curing Parkinson disease

B．curing a deadly cancer

C．being cured of Parkinson disease

D．being cured of a deadly cancer