[ Grammar ]
Choose the sentence that is correctly punctuated.
A. Before reaching the summit, the climbers were forced by a storm to turn back.
B. Before reaching the summit the climbers were forced by a storm to turn back.
C. Before reaching the summit, the climbers were, forced by a storm, to turn back.
D. Before reaching the summit the climbers were, forced by a storm, to turn back.

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Reflexive pronounsVerb FormsPronouns and AntecedentsModal Verbs - ObligationSuperlativesAll, Both, Neither, None, EitherTransitive or Intransitive VerbsGrammar and PrepositionActive and Passive voicewill, be going to, would like toOther quiz:
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