contestada

Which edit to these sentences is necessary to correct a writing error?
There are hundreds of dog breeds, though only about 175 is
recognized by the American Kennel Club. Domesticated dogs share a
common ancestry with wolves.
A Change 'is recognized" to "are recognized"
B Change "breeds, though" to "breeds though,"
C. Change "Kennel Club" to "kennel club"
O Change 'ancestry to anscestry"