Speech on child labour​

Andy bernard laughed at my joke, spitting out his water. complete thought incomplete thought

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.

Based on this excerpt the authors are mostly likely to attempt to answer which question?