The temperature at 12 noon was $10^{\circ}$ C above zero. If it decreases at the rate of $2^{\circ} C$ per hour until midnight, at what time would the temperature be $8^{\circ}C$ below zero? What would be the temperature at the mid-night?

Question

$( A ) 8.00 pm, \;12^{\circ} C \\ ( B ) 7.00 pm ,14^{\circ} C \\ ( C ) 10.00 pm ,20 ^{\circ C} \\ ( D ) 9.00 pm , -14^{\circ C}$