I need help in English grammar term that identifies the following sentence?

English
Tutor: None Selected Time limit: 1 Day

 Select the letter of the term that identifies the phrase in

    parentheses in the following sentence:  Researchers are looking at

    ways to use the potato, (a common tuber), in more important roles.

    a. prepositional phrase

    b. appositive phrase

    c. participial phrase

    d. gerund phrase

    e. infinitive phrase

Jun 12th, 2015

Thank you for the opportunity to help you with your question!

 b.appositive phrase

is the correct answer.........................................................................

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Jun 12th, 2015

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Jun 12th, 2015
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Jun 12th, 2015
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