Let's ______ the zoo and ______ pandas. [ ]

A. to go; to see

B. to go; see

C. go to; see

D. go; to see

复方硫黄洗剂属于（）

A.低分子溶液剂 

B.高分子溶液剂 

C.溶胶剂 

D.乳剂 

E.混悬