Boundaries: Punctuation and Sentence Structure

SAT Reading and Writing· difficulty 3/5

Octavia Butler ______ a master of speculative fiction ______ won both Hugo and Nebula awards for her writing.

Which choice completes the text so that it conforms to the conventions of Standard English?

  • A

    , —

  • B

    (, )

  • C

    —, ,

  • D

    —, —

    check_circle

Explanation

A pair of em-dashes properly sets off a parenthetical appositive. Mismatched punctuation is ungrammatical.

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