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

Question

Root vegetables ____ keep for months in a cool, dry cellar.

Accepted Answer

A. , such as carrots and beets,. 'such as carrots and beets' gives examples without limiting which root vegetables keep — it is nonessential, so it takes a comma on each side.

Answer

B. such as carrots and beets — Without commas, the examples read as if only carrots and beets are meant, and the sentence becomes hard to parse.

Answer

C. , such as carrots and beets — Only the opening comma; the phrase must be closed before 'keep'.

Answer

D. such as carrots and beets, — Only the closing comma; the phrase must be opened after 'vegetables'.

Standard English Conventions practice question

Answer: A. , such as carrots and beets,

Why the other answers are wrong

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