【单选题】

The passage implies that all of the following true is true concerning classical means of error correction EXCEPT
A．(A) The string 1110 should be interpreted to represent 1

B．(B) The string 2020 should be interpreted to indicate the presence of noise
C．(C) A four digit code is more likely to be accurate than a three digit code
D．(D) It is permissible to duplicate the bits in a code
E．(E) Three digits in agreement, such as 111, indicate the absence of degradation