Why c was named as c ?

Answer 1

'It was named "C" because its features were derived from an earlier language called "B", which according to Ken Thompson was a stripped-down version of the BCPL programming language'.

Answer 2

from the version BCPL language,C is derived after B language.

Answer 3

Because the C language inherited features from another programming language called "B". So "C" was the next letter in the alphabet.