What is the theme of the passage

A．did not receive enough high-school education
B．received a level of education which is almost equivalent to that of today's college
C．received a level of education high enough for most occupations 40 years ago
D．who received only high-school education are not qualified for such professional work as ministers, doctors or lawyers

A．before an international adoption can carry out, the results of a home study and extensive documentation must be submitted to both the INS and the courts in the child's country of origin.
B．required documentation usually includes birth certificates, marriage certificates, letters of unemployment, medical letters, and personal references.
C．the legal process in the child's country of origin results in either a full and final adoption or a guardianship, in which the prospective parent is granted custody of the child until the adoption is completed finally.
D．if a full and final adoption has been approved in the child's country of origin and the INS has permitted the child to enter the United States, parents can usually get U.S. birth certificates and citizenship papers with no necessary of readopting the child in the United States.

A．The majority of prospective adoptive parents use an adoption agency.
B．Some prospective parents consult adoption facilitators in the United States.
C．Some prospective parents choose to establish direct communication with contacts in a particular country.
D．Many state-licensed adoption agencies input children from other countries directly.