Final answer:
The 'faint blush upon the bosom and face' of Madeline serves as foreshadowing when the narrator and Usher bury her, hinting at her premature burial and return.
Step-by-step explanation:
The detail that serves as foreshadowing when the narrator and Usher bury Madeline in Edgar Allan Poe's "The Fall of the House of Usher" is the "faint blush upon the bosom and face" of Madeline. This description suggests that Madeline may not actually be dead, hinting at her premature burial and the subsequent horror that unfolds.
It aligns with the cataleptic state her disease induces, which can make someone appear dead when they are not. The other options provided, such as the fact that Usher and Madeline are twins and the ominous atmosphere of the dungeon, contribute to the story's overall mood and themes but do not directly foreshadow the specific event of Madeline's return.