Concept:In words with four syllables, the primary stress is the syllable said with the most force.Explanation:The word "institution" is divided into syllables as: in-sti-tu-tion.Its correct pronunciation is /ˌɪn.stɪˈtʃuː.ʃən/.Here, the strongest stress falls on the third syllable, "tu", making it sound louder and clearer than the others.Thus, the correct stress pattern is in-sti-TU-tion.Answer:C. in-sti-TU-tion