The reason______ she failed to go to the party puzzled all of the people present.

A．what

B．why

C．as

D．which

形寒怕冷，胸闷气短，咳嗽气喘，喉中痰鸣，舌苔白腻，此证属于

A．寒饮伏肺

B．痰热壅肺

C．痰浊阻肺

D．风寒束肺

E．以上均不是