The excerpt from the novel, "The Strange Case of Dr Jekyll and Mr Hyde", connects to the theme of the play as 'Dr. Jekyll knows he is in danger when he looks like Mr. Hyde'.
The theme of the novel, "The Strange Case of Dr Jekyll and Mr Hyde", is that the appearance of the people shapes the other people's opinion about them. It is about a well respected Scientist, Dr Jekyll.
In the excerpt, Dr Jekyll knows that he is in danger when he looks like Mr. Hyde because Mr. Hyde had a very unpleasant, ugly look and Dr Jekyll was a very intelligent well looking man.
Therefore, option D, "Dr. Jekyll knows he is in danger when he looks like Mr. Hyde", is correct.
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