Choose the incorrect statement In wide band-reject filter .

• A. Low cut-off frequency of low pass filter must be larger than the high cut-off frequency of the high pass filter.
• B. Low cut-off frequency of high pass filter must be equal than the high cut-off frequency of the high pass filter.
• C. Low cut-off frequency of high pass filter must be smaller than the high cut-off frequency of the low pass filter.
• D. None of the mentioned