Which of the Following Statements About araC^- and lacI^- Mutants

Multiple Choice

Which of the following statements about araC^- and lacI^- mutants are true,with reference their respective operons? Assume both of these are loss of function mutations.

A) araC^- mutants do not allow transcription,but lacI^- mutants do
B) araC^- mutants do allow transcription,but lacI^- mutants do not
C) both araC^- mutants and lacI^- mutants allow transcription
D) neither araC^- mutants nor lacI^- mutants allow transcription
E) araC^- mutants do allow transcription,but lacI^- mutants do not,except if lacI^s is also present