Which of the Following Regarding an Interpreter Is Not Correct

Which of the following regarding an interpreter is not correct?

A) An interpreter may be used to assist a witness to communicate her testimony.
B) If an interpreter is used, the interpreter is not subject to the rules of evidence relating to qualification as an expert.
C) If an interpreter is used, the interpreter is subject to the rules of evidence relating to the administration of an oath or affirmation to make a true translation.
D) The interpreter must demonstrate an ability to interpret accurately, effectively, and impartially.