I think it's a or d because i don't see any errors in those sentences.
Answer:
Tell her to use a shirt or bandana.
Explanation:
Answer: The Gnat informs her that this is a regular occurrence, which means that Bread-and-butter-flies frequently die. The Gnat then warns Alice that she will lose her name if she travels into the wood. -- Does this help?
Explanation: Have a brilliant day of learning-Lily ^-^
Answer:
there's no sentence ,I can't solve it because there's no sentence