—I heard that more than 300 people died from the cold weather in England this winter.

—Yes,        news came as        shock to us.[ ]

A. a; a  

B. the; /  

C. /; a  

D. the; a

AN ILLNESS PREFERABLY OF AN INFECTIOUS NATURE SEIZING MORE THAN TWO PERSONS ON BOARD AT THE SAME TIME defines（）.

A.Disease of Crew

B.Crew illness

C.Group illness

D.Mass disease