![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
What did the dog-narrator feel about tracking?
A.
It did what was asked because it was obedient.
B.
It was excited, even though it wasn't a special tracker-dog.
C.
It was frustrated because it shouldn't concentrate properly.
D.
It found tracking difficult, but enjoyed it.