开始确认新的检测方法之前，生产商应提供试剂或仪器的操作说明，实验原理，规格，实验步骤，局限性，质量控制和（）信息。
参考答案：健康安全
他们被雾所阻。(hold up)
—What a big smile on Mr.Lee's face!
—Yeah. He is proud _______ his students' excellent performance. [ ]
A. of
B. to
C. with
D. in
