The story reaches its climax when（）.
A.the man describes the bird and Sylvia recognizes it
B.Sylvia accompanies the man on a ramble through the woods
C.the man offers Sylvia 10 dollars for the bird
D.Sylvia climbs a huge pine tree and finds the white heron nest
正确答案：Sylvia climbs a huge pine tree and finds the white heron nest