适用于体积大、重量大、难于移动的产品，以及大型建设项目的是()

A.工艺专业化布置

B.对象专业化布置

C.混合式布置

D.固定布置

— To my disappointment, the experiment was ______ complete failure.

— Don't lost ______ heart, John. Failure is the mother of success.[ ]

A. /; /          

B. /; the        

C. a; /        

D. a; the