(b) What might Alexie be trying to say about the process of his coming to literacy, in terms of both the effort required AND the height of the obstacles encountered (or, given the metaphor introduced in paragraph 4, the thickness of the doors that must be broken through)?​

Which choice is a major detail from paragraph two? a) the great wall is a large network of several walls and towers. b) the great wall looks like a long wall snaking its way across china. c) the great wall was constructed over hundreds of years beginning in 221 b.c. d) the great wall construction encouraged several independent kingdoms to unite.