Software reviewer: Dictation software allows a computer to produce

Software reviewer: Dictation software allows a computer to produce a written version of sentences that are spoken to it. Although dictation software has been promoted as a labor-saving invention, it fails to live up to its billing. The laborious part of writing is in the thinking and the editing, not in the typing. And proofreading the software’s error-filled output generally squanders any time saved in typing.

Which one of the following most accurately describes the role played in the software reviewer’s argument by the claim that dictation software fails to live up to its billing?

(A) It is the argument’s main conclusion but not its only conclusion.
(B) It is the argument’s only conclusion.
(C) It is an intermediate conclusion that is offered as direct support for the argument’s main conclusion.
(D) It is a premise offered in support of the argument’s conclusion.
(E) It is a premise offered as direct support for an intermediate conclusion of the argument.
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