Palpable means that something can be felt or touched. In the short story "the dank tropical night that was palpable as it pressed its thick warm blackness in upon the yacht". The answer is D.
One example is when the game makers control where the Career pack meet up with Katniss. They do this by creating a fire that will cause Katniss to run where the game makers want her to go. At Katniss wanted to get as far away from the career pack as she could, but the games makers wanted something different This can be seen in the second page of chapter 13.
I can’t think of another example, but I hope this helps.
He wanted to show that even earthly heroes have flaws and all will have to pay for the sins.