Answer: the correct answer is C. Just then, an old elf released a great eagle from its shackles, a signal for the race to start. When it squawked to freedom, the race began.
Explanation: the author wants the audience to hear the eagle squawking.
Your answer would be D) The gentle foothills ended quickly, and the runners made a steep scramble to the top of a cliff, followed by a daylong run up across uneven terrain of hard, coarse-grained rock.
The king sends people to the arena because he thinks that if they chose the right door (the lady) they were good people but if they chose the wrong door (the tiger) they deserved it and they were bad people.