Part A: The statement that BEST describes the theme of the text is B. Bears can be fascinating and unpredictable.
Part B: The piece of evidence from "Shadow of the Pines" that BEST supports the answer to part A is A. Her thick fur was matted and damp in some places, but when she walked in the sunshine her coat had an auburn-black sheen to it.
This evidence illustrates the bear's beauty and the intricacies of her presence, emphasizing both aspects of fascination and unpredictability as observed by Mr. Hernandez.