— How dangerous it was! 

— Yes. Without your timely warning, the sweater _____ in the wash. [ ]

A. was shrunk

B. would have shrunk

C. had shrunk

D. should be shrunk

高效液相色谱法测定多环芳烃时常用哪种检测器（）。

A.紫外光检测器

B.氢火焰离子化检测器

C.火焰光度检测器

D.荧光检测器

E.电子捕获检测器