A novel is a long narrative
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.
This question is mostly interpretative. However, the majority could agree that the most appropriate answer would be C, as the figurative language and imagery used by the author are used in a manner that they're descriptive enough to keep the suspense of the scene, but not long enough to distract the audience from the events of the plot.
Answer:
1. B
2. "is" to "was" and "stop" to "stopped"
Explanation: