I should think the answer to be: B. Yearly.
Adverb's are verb's' that describe objects. For example: Quickly, Slowly, etc.
Hope this helps!!!:)
He believed that the British were unfair to the Indians, and that the colonies were a liability to the nation.
The Way to the Rainy Mountain by Pulitzer-award winning author
N. Scott Momaday, is at the same time a good starting point into Kiowa history
while at the same time a unique and fascinating read that combines folklore, poetic
memoire and history. In the book the theft represents the decline because after
the Osages’ theft the Kiowas were abandoned by their sun god.