题目：
The nurse is caring for a client infected with methicillin-resistant Staphylococcus aureus (MRSA). What's the major infection control measure to reduce MRSA and other nosocomial pathogens in a health care setting ？（）
A．Using antibacterial soap when bathing clients with MRSＡ.
B．Conducting culture surveys periodically.
C．Ensuring that personnel wash their hands before and after contact with every client.
D．Using specific housekeeping practices for environmental cleaning.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：C
