In Relation to Partnerships Between Local and Multinational Companies,what Is

In relation to partnerships between local and multinational companies,what is meant by the term "keiretsu"?

A) A type of offshore partnership in which the strengths of outside firms is combined with those of firms in developing countries.
B) A type of industrial district in which an attempt is made to encourage foreign investment.
C) A group of businesses in which each individual business has a stake in the others.
D) A partnership with one local and one multinational company in an information and communication technology project.
E) An agreement between a local and a multinational company to equally share in profits and losses.