In the Oracle system, sets of SQL statements and control flow statements that have been named, compiled, and stored in the database are referred to as stored（）。

A、 PL/SQL

B、 procedures

C、 triggers

D、 transactions

当我们与父母发生了误会和矛盾时[ ]

A．父母必须站在子女立场上看问题

B．宽容尊重，答应父母的所有要求

C．我们应该心平气和地与父母沟通

D．不吵不闹，坚持自身立场不妥协