Final answer:
The nurse should intervene with statements B, C, D, and E as they all pose risks for SIDS.
Step-by-step explanation:
The nurse should intervene with statements B, C, D, and E because they all pose risks for sudden infant death syndrome (SIDS).
Statement B: Infants should not take naps in car seats as it increases the risk of suffocation.
Statement C: Infants should not sleep covered with blankets as it increases the risk of suffocation.
Statement D: Infants should not sleep with pillows under the head as it increases the risk of suffocation.
Statement E: Infants should not sleep on the sofa as it increases the risk of suffocation.