The gerund phrase in the given sentence would be: Training show dogs. This gerund phrase is used as the direct object. The answer is option B. A gerund is a word that ends in -ing, but functions as a noun. A gerund phrase consists of the gerund plus other words that modifies.
It helps us build opinions and have points of view on things in life. Without knowledge, one cannot be successful in life. To grow in one's career, gaining as much knowledge as possible is important.