The speaker's ability to ok persuasive, sound persuasive, and act in a persuasive way, to show that people can trust that his side of the opinion of the subject is more important.
I would say the aswer is D. I would say that because they are going against their pride. They are being unselfish. Della is trying hard to find something for Jim, since Christmas is not far away.
A blog, this is assumed as both the University and Museum websites are considered to be managed by informed, qualified individuals whereas on a blog the credentials of the writer are unknown.
