Answer :
Final answer:
Based on the situation given, it seems most probable that Darren told his manager he had a cold. Unlike other health conditions like a fever, vomiting, or diarrhea, having a cold usually doesn't inhibit a person's ability to work effectively.
Explanation:
In the given scenario, it is most likely that Darren told his manager: b. "I have a cold". This is because symptoms of a cold, such as a runny nose and sneezing, do not generally prevent a person from being able to work effectively unlike the other options provided. A fever, vomiting, or diarrhea could significantly impair Darren's ability to carry out his duties and also pose a risk of spreading illness to clients or colleagues.
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