Zhang Hong is said___________by heart 2000 words up to now .

A．that she has learned

B．to have learned

C．to learn

D．having learned

男性，34岁。持续高热1周，伴畏寒，头痛，关节酸痛，气急多汗，腹胀住院。体检：体温39．7℃，心率140次／min，化验：WBC29．4×10⁹／L，N0．90（90％），ALT260U／L，EKG示心肌损害，血培养无细菌生长（）

A.毒血症

B.菌血症

C.败血症

D.脓毒血症

E.变应性亚败血症