A.) I was thrilled to find my keys they had been lost since yesterday.
This is a "fused sentence" or also known as a run-on sentence.
The question is fully finished? If not then I cant help out with out the answers and the rest of the question Dx
Answer: C is the correct answer
Explanation:
Got it right on USA test prep :)
While Padmi looks frantically for her pen, her sister calmly writes with it. "While Padmi looks frantically for her pen," cannot stand alone. Using it in "While Padmi looks frantically for her pen, her sister calmly writes with it." makes it dependent on the second part of the sentence.