Answer :
The correct option is A.
Ethos, pathos and logos are forms of persuasion that are used to convince one's audiences.
Ethos is used to convince an audience based on one's authority over the situation on ground. For instance, a doctor will be the one in the best position to suggest the best treatment for a patient. So also, in the question given above, the president of the student council is in position to suggest how the union's fund should be spent.
Ethos, pathos and logos are forms of persuasion that are used to convince one's audiences.
Ethos is used to convince an audience based on one's authority over the situation on ground. For instance, a doctor will be the one in the best position to suggest the best treatment for a patient. So also, in the question given above, the president of the student council is in position to suggest how the union's fund should be spent.