Answer:
I think you should leave that exact answer because compound sentences can be read as separate sentences once the conjunction is removed and still make sense.
Explanation:
Conjunction - word used to link two sentences. For example, but, and, or, yet, so, etc.
The first one is a colon, second one is a comma, and i think the last one is a comma but i'm not sure
The answer is D because it should’ve said she instead of her