Read the following context and choose the best option to answer the question.
Context: So , I set to work , clearing and cleaning a space , and setting up the tank . At the end of the day , my personal menagerie had grown by one puzzled little tortoise . His personal space has grown a lot larger , and one wall of the tank was made from a mirror , so there 's even a bit of company .
Question: What may be the reason the tortoise 's space got a lot bigger ?
Options: 
- We took out a lot of the accessories to make more room .
 - We put him in a larger box so he 's have more room .
 - None of the above choices .
 - He got a new home in a new tank with one mirrored side .


He got a new home in a new tank with one mirrored side .