Final answer:
The members of Parliament for Ottawa, Ontario, are David McGuinty, Mona Fortier, and Catherine McKenna according to the options provided and information available until the knowledge cutoff.
Step-by-step explanation:
The members of Parliament for Ottawa, Ontario, are referenced in option B. As of the last known information until the knowledge cutoff, they are David McGuinty, Mona Fortier, and Catherine McKenna. These individuals represent different ridings within the City of Ottawa. David McGuinty serves Ottawa South, Mona Fortier serves Ottawa—Vanier, and Catherine McKenna served as the MP for Ottawa Centre until she announced not standing for re-election in 2021. It's always good to check the most current sources for any recent changes in representation.