Answer: People can share if they have seen otters.
Explanation: Because the reason i put this is that yea it already says theres a otter spotter program and the others are like basic but the program is about spotting otters not about the place or people see them cause of course you gonna see them anyways
Im not smart but this is what i think
Playing tennis and playing basketball. no verbs for them.
I'd say B, since a sentence fragment is just an incomplete sentence that's usually separating the sentence from it's main clause.