Final answer:
Option A, 'Made pancakes and baked corn muffins for our breakfast on Sunday morning,' is a sentence fragment because it lacks a subject and does not express a complete thought.
Step-by-step explanation:
A sentence fragment is a group of words that lacks a subject, a verb, or both, or does not express a complete thought.
According to the examples given in the question, Option A: 'Made pancakes and baked corn muffins for our breakfast on Sunday morning.' is a sentence fragment because it lacks a subject, telling us who performed the action of making pancakes and baking corn muffins.
Sentence fragments can make writing unclear, as the reader is left without important information that completes the thought.
Sentences are fundamental units of communication in language. They typically convey complete thoughts and consist of words arranged in a structured manner. Each sentence has a specific purpose: it can make a statement, ask a question, issue a command, or express an exclamation.