At What, If Any, Temperature Are the Numerical Readings on the Fahrenheit

Multiple Choice

At what, if any, temperature are the numerical readings on the Fahrenheit and Celsius scales the same?

A) $- 60 ^ { \circ }$
B) $- 40 ^ { \circ }$
C) $- 50 ^ { \circ }$
D) $- 30 ^ { \circ }$
E) They can never read the same because they are based on different zeroes.