No,It may be helpful but most time you won't understand what you read. It's better to slowly read and understand you're passage.
The answer in B. "A band of angels coming after me."
<span>Cats are lovable and—hey, stop eating my plant, you bad cat!
This is because the speaker is being cut off, which in this case is what the dash should be placed, the speaker is obviously being knocked off course from their sentence, stopping abruptly.</span>
A personal problem is one that only relates to ones self