56（）

A．Hunters shoot condors.
B．Puppet rearing practices have caused it.
C．Hunter’s bullets contain lead which poisons the meat condors eat.
D．They never used to like lead.

A．A blended family is formed by two single-parent families.
B．A blended family is formed by a nuclear family and a grandparent.
C．A blended family is formed by a nuclear family and grandparents.
D．A blended family is formed by two fatherless families.