Read the following context and choose the best option to answer the question.
Context: So we arrived just after 4 am this morning and after a short sleep collected Molly from Kennels . To be honest I do n't think she had been well looked after there . She seems very lethargic , her coat is dull and she is moulting profusely and she has put on a lot of weight . A you can imagine she was very very pleased to see us again and is getting a lot of cuddles .
Question: Why did they sleep before picking up their dog ?
Options: 
A. It was too early to pick up the dog .
B. They did n't want to wake her up .
C. They needed to pick up food for them first .
D. They needed the extra time away from them .


A