Which is one of the most basic life changes for people of all cultures

A．Making vows is like signing a contract of love.
B．They are composed by the newly weds.
C．They are announced by the minister.
D．They are exchanged at the wedding reception.

A．Marriage is the most effective way to ensure long time happiness.
B．America is a country with comparatively less rituals and traditions.
C．Single girls like to attend wedding ceremony, each wish herself the next to marry.
D．Counseling before a marriage prepares the young couple for a new life.