Final answer:
The sentence fragment is b. 'Wearing torn shorts' because it does not have a subject or a verb and does not express a complete thought.
Step-by-step explanation:
A sentence fragment is an incomplete sentence that does not express a complete thought. It is missing either a subject or a verb, or it is a dependent clause that cannot stand alone as a complete sentence.
In the given examples, the sentence fragment is 'Wearing torn shorts'. It does not have a subject or a verb and does not express a complete thought. It can be corrected by adding a subject and a verb, such as 'She is wearing torn shorts.'
The correct answers are a. We don't need another snowstorm. and c. The Browns have a happy family.