Read the following excerpt from a US court opinion:
```
unconstitutional, should be exercised only in cases free from doubt.’” Milton Constr. Co. v. State Highway Dep’t, 568 So.2d 784, 788 (Ala.1990) (quoting 17 Am Jur.2d Contracts § 178 (1964)). “‘The courts are averse to holding contracts unenforceable on the ground of public policy unless their illegality is clear and certain.... [T]he courts will not declare an agreement void on the ground of public policy unless it clearly appears to be in violation of the public policy of the state.’ ” Id. (emphasis omitted). In Terry Cove North, Inc. v. Marr & Friedlander, P.C., 521 So.2d 22 (Ala.1988), the plaintiffs sued a law firm and its two attorneys, alleging, among other things, breaches of certain Disciplinary Rules (the predecessor to the Alabama Rules of Professional Conduct). .2003) , and B.W.T. v. Haynes & Haynes, P.C., 20 So.3d
```
What is the most suitable continuation to the opinion? Your options are:
A. holding that the disciplinary rules of the code of professional responsibility are not laws of the state of texas for purposes of statute which excludes the admission of evidence obtained in violation of law
B. holding professional rules do not provide basis for civil liability
C. holding that a breach of the rules of professional conduct would not justify setting aside a divorce judgment and citing terry cove north for the proposition that the sole remedy for a violation of the rules of professional conduct was the imposition of disciplinary measures
D. holding violation of the rules of professional conduct does not create a legal duty on the part of the lawyer nor constitute negligence per se although it may be used as some evidence of negligence
E. holding that the rules of professional conduct are selfimposed internal regulations and do not play a role in determining the admissi bility of evidence and citing terry cove north for the proposition that the sole remedy for a violation of the rules of professional conduct was the imposition of disciplinary measures
Reply with [A, B, C, D, E] only.