Which of the Following About Japan's Keiretsu Is NOT True

Multiple Choice

Which of the following about Japan's keiretsu is NOT true?

A) Keiretsu may be organized vertically or horizontally.
B) Some of Japan's trading partners contend that the relationships among keiretsu member firms is harmful to free trade.
C) Since the late 1990s, most keiretsu links have become more entrenched in response to the challenges associated with globalization.
D) Keiretsu can trace their origins back to the pre-World War II zaibatsu conglomerates.
E) The Toyota group is an example of a vertical keiretsu .