Camp Green Lake was once an actual lake, but an extended drought caused the lake to dry up and become a dessert.
A best supports the argument because it is the only answer that describes the pros of having mice as pets, while the others provide tips and facts upon adopting them.
The error in the sentence is the verb comes, It should be come because the subject is items, which is plural, so the verb needs to be plural. The sentence that makes this correction is B.
C is the answer for your question