Now that she has apologized for her rude behavior, I am __________. [ ]

A. content  

B. bored

C. astonished  

D. fortunate

将Cl₂与SO₂混合均匀后，分别通入到少量下列溶液中，溶液颜色一定会褪去的是

A．I₂与淀粉混合溶液

B．KMnO₄溶液

C．品红溶液

D．紫色石蕊试剂