—只猴子若患过敏性皮肤病，其体内显著增多的炎性细胞是（）

A.单核细胞

B.淋巴细胞

C.中性粒细胞

D.嗜酸性粒细胞

E.嗜碱性粒细胞

In drawing up the plan, they went to the library to _____ many books.      [ ]

A. bring up                    

B. referr to      

C. look for                        

D. try on