Driving while under the influence could slower your reflexes so you most likely to crash. I'm unsure if i had answer you question or not but that is what i had got.
C should be the answer because in that example he is not prepared nor is his flexible easily flexible by him being out at the movies on a weekend that he is on call. It shows the importance of needing to be flexible and easily adaptable in case of emergency.
Answer:
Most likely a fungal infection, Onychomycosis (fungal infection of the nail)
Explanation:
The symptoms of Onychomycosis are discoloration, brittleness or thickening.
