Part A: The statement that most clearly describes Martin in the early part of “The Medicine Bag” is:
A. Martin worries about his friends' opinions.
Part B: The sentence from “The Medicine Bag” that best supports the answer to Part A is:
D. His getup wasn't out of place on the reservation, but it sure was here, and I wanted to sink right through the pavement. (paragraph 12)
This sentence reflects Martin's concern about how his grandfather's appearance contrasts with their surroundings, highlighting his worry about his friends' opinions.