ANSWER
c) both of these
Step-by-step explanation
We want to identify the correct options out of the given options about temperature.
Temperature is defined as the degree of heat that is present in an object. It can be defined as the measure of the hotness or coldness of an object.
This hotness/coldness of an object depends on the average kinetic energy of the molecules of the object. Hence, temperature can also be defined as the measure of the average molecular kinetic energy of a substance.
Therefore, the correct option is option C (both of these)