The detail from the paragraph which suggests the main idea is "but I never knew genuine Kalydor, such as I use for my own complexion, to smell so much like cherry brandy".
This means, the speaker doesn't trust Kalydor because there seems to be a less genuine kalydor. Genuine kalydor doesn't smell so much like cherry brandy . This has made the speaker develop a distrust for kalydor.
What is main idea?
The main idea or theme of a text refers to the important message or information a text is relaying to its reader or audience. It is also called the central idea.
Therefore, the correct answer is option D.
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