Answer:
b) If he is unresponsive she should stay with him, observe for signs of alcohol poisoning and call 911 if signs are present.
Explanation:
According to my research on studies conducted by medical professionals, It can be said that based on the information provided within the question her boyfriend may be suffering from alcohol poisoning. This being a possibility, (which is possibly life threatening) she should stay with him, observe for signs of alcohol poisoning and call 911 if signs are present.
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