First of all everyone should know this answer. But in case you don't know sometimes someone as in your classmate can be allergic to any sort of animal. Sometime it just depends on the kind of pet. If it was to be a dog then there are quite a few reasons. This question is fairly easy to answer.
English has four main basic sentence types which are:
<span>declarative, interrogative, imperative, and conditional.
</span>
hope it helped
if it did add me please
I believe it would be answer b but reread the story and be sure