One degree celsius indicates the same temperature change as what (which of the following is correct)

Question

one degree fahrenheit
one kelvin
9/5 kelvin
5/9 degree fahrenheit

9/5 deg F

9/5 deg f was not an option
my options were

5/9 Degree fahrenheit
9/5 kelvin
one kelvin
one degree fahrenheit

the question was
one degree celsius indicates the same temperature change as ___________

I had the same question in my test. 9/5 degree fahrenheit was not an option.

Answer 1

5/9 degree fahrenheit