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Bunuel
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thedarkwolf
i am confused between A & D , can someone elaborate on this
It comes down to something as simple as the use of a preposition after elaborate.
Since option D. has the preposition “on” after “elaborate”, all other options are deemed incorrect.
Upon splitting the 2 sentence fragments, pre and post “and”, you’ll see that the use of the preposition “on” was required.

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