Final answer:
The sentence fragment among the options is 'A. Dairy products such as milk and cheese.' due to its lack of a main verb and complete thought. Sentence 'B' is a complete sentence, whereas sentence 'A' can be revised to become complete by adding a subject and a verb.
Step-by-step explanation:
The sentence fragment in the options provided is A. Dairy products such as milk and cheese. This is a fragment because it lacks a main verb and does not express a complete thought. To turn this fragment into a complete sentence, one could revise it by adding a subject and a verb, for example, 'The menu includes dairy products such as milk and cheese.'
In contrast, option B is a complete sentence, with both a subject, 'The interior designer,' and a predicate that clearly expresses a complete thought, 'styled our living room with fashionable new decor.'
Unintentional sentence fragments can often be found following a complete sentence, and they generally provide additional details but lack the necessary components to stand alone as a complete sentence. These fragments can be rewritten or attached to the preceding sentence to correct the error.
On the other hand, there are also intentional sentence fragments, which are often used in creative writing and advertising for stylistic effects, aiming to force a quick reading pace and engage the reader more actively in the construction of meaning.