_____sustainable development, measures are being drafted to control rising prices.[ ]

A. For the sake of        

B. In favor of         

C. In case of        

D. In memory of

常用于空胶囊壳中的遮光剂是（）.

A．二氧化硅

B．二氧化钛

C．二氯甲烷

D．聚乙二醇400

E．聚乙烯吡咯烷酮