― Would you like to come to the dinner party here on Saturday?

― Thank you. I’d love to, ______ I’ll be out of town at the weekend.  

A．because

B．and

C．so

D．but

干酪性肺炎属于（）

A.原发性肺结核

B.慢性纤维空洞型肺结核

C.血行播散型肺结核

D.浸润型肺结核

E.以上都不是