TPO6和7听力

sourjuiceUID: 2869051

我的逻辑是不是有问题呢，看这些题目很绕啊，做过了还是错了，不知道原因，
TPO6的section1，12题
What topics related to the Nightcap Oak does the professor mainly discuss?
Factors that relate to the size of the area in which it grows.
The size of its population over the last few centuries.
Whether anything can be done to ensure its survival.
Why it did not change much over the last one hundred million years.
答案是AB，怎么看出来的，我开始选的D，

还有TPO7的section1，9题，
According to the professor, what dramatic elements are typically included in a well-made play to move the plot forward?
A series of major changes in the hero's apparent chances of success.
The introduction of new characters midway through the play.
Information known to the audience but not to the main characters.
The movement of major characters from one setting to another.
答案是ＡＣ，怎么看出来apparent chances of success的，我选的的CD，唉纠结啊

sourjuiceUID: 2869051

知道的同学能帮忙一下吗，我真不知道。。