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

Question

Traditional adobe bricks are made from three humble ingredients — sand, ____ — mixed with water and dried in the sun.

Accepted Answer

A. clay, and straw. In a series of three ('sand, clay, and straw'), a comma precedes the conjunction before the final item.

Answer

B. clay, and, straw — No comma follows 'and' in a series.

Answer

C. clay and, straw — The comma belongs before 'and,' not after it.

Answer

D. clay; and straw — A semicolon is not used in a simple series of single words.

Standard English Conventions practice question