Select the option that best explains the information conveyed in the sentence. My father is one of the vociferous few challenging the company's appointment of the manager?
A. my father is the one who shouts with a loud voice against the appointment of the manager B. My father and others speak on behalf of the company against the appointment of the manager C. My father is one of those objecting to the appointment of the manager D. My father is agitated by the appointment of the manager