At What Temperature Is the Celsius Temperature and the Fahrenheit $^{\circ}$

Multiple Choice

At what temperature is the Celsius temperature and the Fahrenheit temperature are same?

A) 30 $^{\circ}$ C
B) 35 $^{\circ}$ C
C) -40 $^{\circ}$ C
D) 45 $^{\circ}$ C
E) -30 $^{\circ}$ C