We Chinese are drinking ____ milk per person today as we did in 1995.

A．more than twice

B．twice as much

C．twice as many as

D．twice as much as

下列哪项可导致吸气性呼吸困难（）

A.急性喉炎

B.支气管哮喘

C.喘息性慢性支气管炎

D.慢性阻塞性肺气肿

E.左心功能不全