Student speakers often find that the ten-minute speech they practiced at home only takes six minutes to

An argument from authority becomes a fallacious appeal to authority when

(a) a seemingly authoritative source of opinion lacks real expertise on the subject. (b) the authority is characterized as infallible and used to shut off further discussion of the issues. (c) the use of authoritative opinion prevents a fair hearing of the other side of the issue. (d) All of the above

Oral style and written style are usually the same

Indicate whether the statement is true or false.