After delivering her second child, the client tells the nurse that she wants to breast-feed. She indicates that she was unsuccessful at breast-feeding her first child and that she bottle-fed after 3 days of trying to nurse. Which of the following responses would best support this client’s breast-feeding efforts（）

A. "I’ll make sure that you’re seen by the lactation consultant before you’re discharged. "

B. "It’s important to room-in with your neonate so that you can respond to her nursing: cues, "

C. "Don’t worry, every baby is different, and I’m sure that you’ll be successful this time. "

D. "Breast-feeding is possible but you must be committed to it. "

对事务回滚的正确描述是（）。

A．将该事务对数据库的修改进行恢复

B．将事务对数据库的更新写入硬盘

C．跳转到事务程序的开头重新执行

D．将事务中修改的变量值恢复到事务开始时的初值