―          the shop          for several years?

―No, it          one year ago.[ ]

A. Has; been open; opened          

B. Is, opened; opened

C. Has, opened; was open          

D. Was, opened; was opened

下列专性需氧菌是()

A．结核分枝杆菌

B．破伤风梭菌

C．炭疽杆菌

D．霍乱弧菌

E．葡萄球菌