Option 1 -> Morose means gloomy or sullen, which would not inspire a standing ovation.
Option 2 -> Ordinary means common or average, and such movies rarely receive standing ovations.
Option 3 -> Tiring means exhausting or wearisome, which is a negative quality unlikely to earn applause.
Option 4 -> Fascinating means extremely interesting and captivating, which would certainly merit enthusiastic appreciation.
Hence, Option 4: fascinating -> A standing ovation indicates the audience was thoroughly impressed and moved by the movie, which aligns perfectly with something fascinating (captivating and deeply engaging) -> correct