Which of the Following Statements Is Not a Potential Problem

Which of the following statements is not a potential problem with testing for the presence of a breast cancer gene?

A) Other genes may affect the activity of a breast cancer gene.
B) A woman might be less careful about getting regular breast exams if she tests negative for a breast cancer gene.
C) Lives may be saved as a result of screening for breast cancer genes.
D) A woman might have her healthy breasts surgically removed if she tests positive for a breast cancer gene when the cancer might never have occurred.