Professor Larsen is being prosecuted for throwing a beer at a Green Bay Packers fan during a Vikings game. He calls Professor Jordan as a character witness. Professor Jordan testifies that Professor Larsen is a peaceful person. On cross-examination, the prosecutor asks Professor Jordan if he knew that Larsen had just been disciplined by the Board of Professional responsibility for taking money out of his client's escrow accounts.

Before Professor Jordan responds Professor Larsen objects.

Should the court sustain this objection?

a. No, because character evidence is admissible on cross-examination for impeachment purposes.

b. Yes, because a criminal defendant's character may only be discredited by opinion or reputation evidence.

c. Yes, because Larsen's discipline for theft is not relevant to his character for peacefulness.

d. No, because the defendant opened the door for this unfavorable character evidence by introducing evidence of his own good character