A day or so later while passing through the woods the dog saw the rabbit frisking in the tall grass. quick as a flash the dog started after him. the little fellow ran and, to save himself, jumped into the hollow of an oak tree. the opening was too small for the other to follow and as he looked in he heard only the merry laugh of the frisky rabbit, "hee, hee! hello, mr. dog, you can't see me. "never mind, boy, i will get you yet," barked the angry dog. the dog and the clever rabbit, a.o. stafford

How is the dog characterized in this selection?
a. he is playful and energetic.
b. he is angry and determined.
c. he is lazy and sleepy.
d. he is happy and friendly.