Up till now we _______ four units and this will be the second time that we _______ a test.

A．have finished; have had

B．finished; will have

C．have finished; are to have

D．will finish; have had

患者，男，48岁。背部生疮，初起肿块上有一粟粒样脓头，抓破后局部肿痛加剧，色红灼热，脓头相继增多，溃后如蜂窝状，伴有寒热头痛，纳呆，便秘，溲赤，舌质红，苔黄，脉弦数。其诊断是（）

A.疔

B.疱

C.有头疽

D.发

E.痈