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