A. <span>Christine ran slower than her sister.
<em>Slower </em> is comparing Christine's speed to the speed of her sister.
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"A" sounds the best and is for sure the correct answer!
It seems that you have missed the given choices for this question, but anyway, here is the answer. In Macbeth, the message the Lennox wants to sent to Macduff is that He and Malcolm are in grave danger. <span>When Macbeth arranges the murder of his wife and children, </span>Macduff<span> swears personal revenge. Hope this answer helps.</span>
<span>Speak quickly so not to bore your audience.</span>
I would say “Mocking” due to the use of rhetorical questions and almost sarcastic remarks