Which of the Following Statements Accurately Describes the Status of Unions

Which of the following statements accurately describes the status of unions in Japan?

A) Workers in a Japanese company are represented by one union based on their profession or vocation
B) The relationship between union and management is often militant and violent
C) There are some large national unions in the public and private sectors, but nearly 95% of all unions follow the tradition of "one company, one union"
D) Training received by junior managers in union positions is viewed unfavorably by management and is rarely taken into account for future promotions