Today I went to change my flights because I was set to come home on the 29th of November , when Brad and Liz are getting married in December . I got a Visa a week or two ago and I finally got around to getting to my travel agent to change my flight home date . Turns out that my flight had a 90 day ( 3 month ) limit on it ( much like the whole visa waiver thing ) so I ended up having to cancel my flight ( $ 250 ) and get a new one ( no extra cost ) . Because it 's so close to my travel date there was n't a lot available , especially coming back a week before Christmas ( ps .
According to the above context, choose the best option to answer the following question.
Question: Why was n't there a lot available around Christmas ?
Options:
A. None of the above choices .
B. A lot of people travel to see family .
C. They were short staffed .
D. They were running out of fuel for the plane .


B