单项选择题

According to the passage, which of the following are true about the repetition code Ⅰ. While just now being applied to quantum mechanics, the repetition code has long been the primary means of error correction in classical mechanics. Ⅱ. Weak noise tends to affect the reliability of the code more adversely than strong noise. Ⅲ. Repetition code never represents a bit or string of bits in fewer bits than actually exist.

A. Ⅱ only
B. Ⅲ only
C. Ⅰ and Ⅱ only
D. Ⅱ and Ⅲ only
E. Ⅰ, Ⅱ, and Ⅲ