Which of the following conclusions can most properly be drawn from the information above?
(A)Most examinees with inconclusive polygraph test results are in fact untruthful.
(B)Polygraph tests should not be used by employers in the consideration of job applicants.
(C)An inconclusive polygraph test result is sometimes unfairly held against the examinee.
(D)A polygraph test indicating that an examinee is untruthful can sometimes be mistaken.
(E)Some employers have refused to consider the results of polygraph tests when evaluating job applicants.
答案C,請問D為何不對,以下是我的理解,請各位牛牛指點一下,謝謝。

C==>測謊結果有時會不公平的不利於受測者。
D==>測謊指出的不誠實的人,有時有誤差(mistaken)