The passage implies that all of the following true is true concerning classical means of e

A．The string 1110 should be interpreted to represent 1

B．The string 2020 should be interpreted to indicate the presence of noise

C．A four digit code is more likely to be accurate than a three digit code

D．It is permissible to duplicate the bits in a code

E．Three digits in agreement, such as 111, indicate the absence of degradation