Final answer:
The sentence fragment is B. 'Lost the remote control for the television again', as it lacks a subject and verb, while A is a complete sentence.
Step-by-step explanation:
The sentence fragment between options A and B is B. 'Lost the remote control for the television again.' This is considered a fragment because it lacks a subject and a complete verb and does not form a complete thought.
In contrast, option A, 'Electric eels stun prey with an intense electrical charge,' is a complete sentence with a subject ('Electric eels') and a predicate ('stun prey with an intense electrical charge'), expressing a full idea.
Unintentional sentence fragments can often be corrected by attaching them to a complete sentence or by rewriting them to include the necessary components of a sentence. Recognizing and fixing sentence fragments are crucial for clear communication in writing.