Read the following context and choose the best option to answer the question.
Context: I think it was eating the throw back fish . I do n't know , but crazy . It was wonderful to hear the sounds of the ocean while we slept . We got up early ( still getting uesd to the time change ) and drove down past Willmington to catch the ferry over to Bald Head Island .
Question: How could they hear the ocean while they slept ?
Options: 
- Because they were moving toward the sea during the night .
 - Because the ocean was getting closer as the time went by .
 - None of the above choices .
 - Because they were really not asleep but awake and listening intently .


None of the above choices .