急性脓胸患者最根本的治疗措施是（）

A.应用抗生素

B.排出脓液

C.纠正水电失衡

D.消除病因

E.营养支持

—Sorry we're late．We ______ the wrong turning．

—That's all right．Come in, please．

A．take

B．have taken

C．took

D．had taken