A) widespread C) abominable
B) difficult D) trivial

A．It is a law that bans single-sex schools.
B．It sets a limit to single-sex classes in schools.
C．It conforms to the No Child Left Behind Law.
D．It requires a compelling reason of a district to create single-sex schools.

A．are an instance of violating civil fights
B．are an official institution of sex discrimination
C．may seriously defy Women's Law of the country
D．may be a new start of sex discrimination in the country