The book Harry Potter is said ________ into several foreign languages.

A．to be translated

B．to have been translated

C．to translate

D．to have translated

支气管患者突然出现胸痛、气急、呼吸困难、大汗、不安，应该首先考虑出现（）

A.自发性气胸

B.支气管哮喘急性发作

C.急性左心衰竭

D.肺炎

E.胸膜炎