Answer:
A compound sentence has two or more main clauses.
if you do not like that answer you could say:
A compound sentence has to have F.A.N.B.O.Y.S. (For, And, Nor,But, Or, Yet, So).
2, Mundane is the answer.
It's the problem or problems in the story.
Answer:
Dan is gonna come with us to the tennis match if he is free
Answer:
I think A sounds the most descriptive.