I think your answer would be the Letter A.
d.
a compound sentence is when the sentence can be split up to make two complete sentences.
i.e. Paolo missed his girlfriend. He knew she'd be back.
d. can be split up into two fully functional sentences.
People could belive it and maybe do it. if something bad where to happen to them the person who put the fake news out there will go to jail
Thats not allowed to happen. if it does then the sentence is incorrect, because of the subject\verb agreement
whom
Explanation:
the lady to whom you spoke just now is my teacher
