Which of the Following Situations Might Result in a Reversal

Which of the following situations might result in a reversal of conviction on appeal?

A) After the prosecution rests its case, the defense attorney makes a motion to dismiss all charges.
B) During the closing argument, the prosecutor said, "Deep down, you all know that people of the defendant's race are naturally more likely to be criminals."
C) During cross examination of a rape victim, the defense attorney implies that the victim may lied when she claimed she did not consent to sex.
D) After the closing arguments, the judge instructs the jury that the defendant's guilt must be proven beyond a reasonable doubt.