According to the original design the plant would be able to at least 8 000 pianos a year

问题补充：

According to the original design, the plant would be able to at least 8,000 pianos a year.

A. bring out

B. take out

C. put out

D. work out

答案：

A. bring out

B. take out

(答案→)C. put out

D. work out

解析：短语辨析。A使显示；B取出拿出；C生产出，出版，D计算出，制定出；结合句意可知C正确。句意：根据最初的设计。这家工厂能够一年生产8000架钢琴。