One could have many interpretations, such as a peace sign, people think hippies, equality, tranquility; however, with a personal symbol there is a more sentimental attachment, involving experience, trauma, or memories
The puppy, who's name is fluffy, ran across the field.
An intransitive verb doesn't require a direct object. A cannot be correct because, Ian sharpened what? His hockey skates. So that is the direct object, therefore the verb is transitive. C and D are the same case.
The correct answer is B, because the verb is intransitive as it doesn't need an object. You cannot answer - Carla skates what? No, it is just Carla skates.