The following definition of has two missing parts: part A An expression e is referentially transparent if, for all occurrences of part B can be replaced by the result of evaluating e without affecting the meaning of p. What are the correct missing parts? O part A: no programs p. part B: e in p part A: all programs e, part B: e in p O part A: all programs p. part B: e in p O part A: all programs p. part B: pin e O part A: some programs p. part B: e in p