问题详情

Which is NOT the reason leading to the poor growth of economy, according to Peter？
A．Machinery in factories is too old.
B．Management in some industries appears out-of-date.
C．Trade unions disagree with each other and they are incompetent in controlling their own members.
D．Manufacturing industries are awkward in finding out effective ways of exporting goods.请帮忙给出正确答案和分析，谢谢！