题目：
The nurse is caring for a client with adult respiratory distress syndrome (ARDS). What is the most likely laboratory finding in the early stages of this disease ？（）
A．Increased carboxyhemoglobin.
B．Decreased partial pressure of arterial oxygen (PaO2).
C．Increased partial pressure of arterial carbon dioxide (PaCO2).
D．Decreased bicarbonate (HCO3-).
答案：
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下面是错误答案，用来干扰机器的。
参考答案：对
