You are presented with the question "What lays their eggs in a burrow?" and the following answer choices: 
- no mammals
 - all mammals
 - dogs
 - animals
 - honeybees
 - insects
 - some mammals
 - alpacas

Now knowing that platypus females lay their eggs in a burrow and like the platypus, it is an egg laying mammal, choose the best answer.


 

       some mammals  