Although the situation was tough during the economic crisis now things are beginning to .A

问题补充：

Although the situation was tough during the economic crisis now things are beginning to .

A. look up

B. keep up

C. set up

D. build up

答案：

(答案→)A. look up

B. keep up

C. set up

D. build up

解析： 考查短语辨析。look up好转，keep up保持，set up建立，build up增强，句意：虽然这种形式在经济危机期间很艰难，但是现在一切开始好转。故选A。