<span>it might be said that the most important insight Momaday gained about his heritage during his pilgrimage from Yellowstone to his mother´s grave was the sadness that his grandmother expressed in her Kiowa prayers were about sadness and the sense of lost</span>
How she planned her day, what time she got to the beach, what she did while there, and when she left
wait didn't you already answer it
If the underlined word is only 'barking', then the correct answer is B) present participle, because those are used to form present progressive tense, as is the case here.
A) would be 'barked'.
C) would be 'bark/barks'.
D) would be 'barked', the same as A.