泌尿系丝虫病尿液是（）

A.活动后伴疼痛性血尿 

B.无痛性血尿 

C.脓性血尿 

D.乳糜尿 

E.乳糜尿伴血尿

These interesting articles were written by Anna, who        for our magazine these years.

A．wrote

B．would write

C．is writing

D．has been writing