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Verbal·Standard English Conventions·Boundaries

hard

Jeffery Renard Allen’s short essay on “backwall,” a word referring to the cliff at the head of a glacier-carved valley, is included in the collection Home Ground: A Guide to the American Landscape. The book wasn’t written solely by __________ other authors, such as Carolyn Servid and Barry Lopez, also contributed essays.

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

A

Allen; however,

B

Allen, however;

C

Allen: however,

D

Allen, however,