Read the following context and choose the best option to answer the question.
Context: While finishing the unwinding , I dropped the handle , and Duke took off . He was quickly at the heels of another couple ( dogless , however ) who were out walking . " First day with the new leash , " Janet explained .
Question: What may have happened during this situation ?
Options: 
A. Their dog had annoyed another couple .
B. Their dog had escaped them .
C. Their dog had gotten out of the leash .
D. None of the above choices .


B