—  _______ made Daisy wild with joy?

— Her success in the A-level exam this year. [ ]

A. How was it that      

B. When was it that

C. Why was it that        

D. What was it that

采用无菌操作法或冻干技术一般可制成哪类注射剂（）

A.水溶液型注射剂

B.混悬型注射剂

C.乳剂型注射剂

D.注射用无菌粉末

E.油溶液型注射剂