28. E. coli does not express β-galactosidase when its growth medium contains glucose, because (A) CAP is not activated for DNA binding to promote transcription initiation of β-Galactosidase gene. (B) Glucose stimulates the expression of lac repressor. (C) Lac repressor binds to the lac operator sequence. (D) Glucose interferes with lactose binding with the lac repressor. (E) Glucose binds to Lac operator