Read the following context and choose the best option to answer the question.
Context: It 's 4 am and Husband and I just arrived home from the emergency vet clinic where Reason # 2 had a focal seizure . He 's quite fine now and sleeping soundly . Needless to say , I ' m quite tired and will be catching up on sleep in lieu of regular posting . I like to think Reason # 2 was just giving me one last scare as a 24-year - old .
Question: What may be the reason for them needing to catch up on sleep ?
Options: 
A. They did n't have beds for them at the vet .
B. They did n't get enough sleep at home .
C. Their animal was making noise all night .
D. They were at the emergency vet all night long .


D