Which of the Following Best Describes Germany's "Dual Representation System

Which of the following best describes Germany's "dual representation system" of industrial democracy?

A) Local works councils deal with working conditions; industry-wide unions negotiate pay rates.
B) Union locals negotiate pay and decide on strikes; national works councils focus on work-related legislation.
C) Works councils represent professionals; unions represent all other workers.
D) Government legislates pay rates; works councils focus on other work-related legislation, and unions concentrate on local working conditions.