Answer: i am pretty sure the answer is d.
Explanation:
Thus, increased sleepiness compounded alcohol's effects, whereas increased alertness diminished alcohol's effects.
Calmness is the answer you are looking for :)
One should stay away from borrowing up to one's credit limit since first the person's credit score will suffer if one is over her credit limits. Another would be it would be difficult for one to recover since one would be paying the interest which would add more to the credit limit causing the card then to be decline when at the point of sale.