The correct option is A
Muckraker is the name by which the semi-organized journalist or group of North American journalists or writers is known who, at the beginning of the 20th century, dedicated themselves to publicly denouncing political corruption, labor exploitation and a series of abuses, immoralities and dirty laundry. characters and institutions of the time. From English, it means 'garbage remover'. It is a journalism opposed to power, an activist movement and underground that is an attempt, strictly professional, to overcome the saturation of information, characterized by standardization and the accumulation of data and make a type of journalism aimed at provoking a response.