"We had passed through long walls of piled skeletons, with casks and puncheons intermingling, into the inmost recesses of the catacombs."
"We are below the river's bed. The drops of moisture trickle among the bones."
These are some sentences that give us the creepy setting that makes for an eerie mood.
The answer is "A" because of they were saying that they "were" reading on the plane. which is progressive tense.<span />
Answer:
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