Match Up the Following Arguments in Regards to Barristers Being

Match up the following arguments in regards to barristers being sued for negligence to their meaning
-Collateral Attack

A) The most substantial argument was that it might be contrary to the public interest for a court to retry a case which had been decided by another court
B) The argument started from the well-established rule that a witness was absolutely immune from liability for anything that he said in court. So were the judge, counsel and the parties. They could not be sued for libel, malicious falsehood or conspiring to
C) The argument was that a barrister who was obliged to accept any client would be unfairly exposed to vexatious claims by clients for whom any sensible lawyer with freedom of action would have refused to act