Respuesta :
The right answer for the question that is being asked and shown above is that: "D. Winning the race demanded speed and endurance." sentence contains words in italics that form a gerund phrase is this D. Winning the race demanded speed and endurance.
The sentence that contains words that form a gerund phrase is "Winning the race demanded speed and endurance". The answer is option D. The gerund phrase in this sentence is "Winning the race". The -ing words used in the rest of the options are not used as a gerund, but are used as adjectives.