The Ombudsman found probable cause to charge with plunder the provincial governor, vice governor, treasurer, budget officer, and accountant, but the treasurer received immunity. The governor filed a petition for certiorari challenging the exclusion of the treasurer. Is this remedy correct?

• A. Yes, the petition for certiorari is proper to challenge grave abuse.
• B. No, certiorari is not proper because there is a plain, speedy, adequate remedy by a motion for reconsideration.
• C. Yes, because immunity can be challenged on certiorari.
• D. No, mandamus would lie to compel inclusion.

Answer: (B)