Read the example sentence and study the chart of suffixes.The lawyer did not believe the witness was telling the truth, so she conducted a thorough inquisition.SuffixDefinition-acystate or quality-ismpractice or belief-tionact or proceedings-shipposition held

The suffix “-tion” means an act or proceedings. In the sentence, an inquisition is a formal act of questioning the witness to find out whether she is telling the truth. Therefore, it means a process of extended questioning, choice A.

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