Concept:Word stress is the extra emphasis given to one syllable in a multi-syllable word.Explanation:The word "Inferiority" is divided into syllables as: in-fe-ri-or-i-ty.The primary stress is placed on the syllable "or".This syllable is the fourth syllable of the word.So the correct stress mark is shown as "Inferi`ority".Correct stress is essential for proper pronunciation and clear communication in English.Misplaced stress can change the rhythm of speech and cause misunderstanding.Answer:Option C: Inferi`ority.