Answer:
Hmmm, i dont rlly know what your asking. But third person is using he, she, they, they're, etc. It makes if difficult because (to me) sometimes it doesn't make a lot of sense and sometimes I have to keep looking back at who/what the characters are.
There were many people in the park . Everybody was having a good time
Answer:
I think it is A. Martin ducks down and hopes that the lake monster doesn't see him.