In 1982 the CEO of American Airlines Spoke on the Telephone

In 1982 the CEO of American Airlines spoke on the telephone to the CEO of Braniff Airlines. The CEO of American Airlines proposed that the two airlines fix prices. The CEO of Braniff Airlines rejected the proposal. The CEO of American Airlines:

A) was within his 1st Amendment right to free speech.
B) was in violation of the antitrust laws which prohibit price fixing.
C) was in violation of the antitrust laws which prohibit predatory pricing.
D) Both B and C are correct.
E) None of the above is necessarily correct.