A Certain Material Has a Resistivity of 7 $\Omega$ M at Room Temperature and It Increases as the Temperature

Multiple Choice

A certain material has a resistivity of 7.8 *10^-8 $\Omega$ .m at room temperature and it increases as the temperature is raised by 100 $\degree$ C. The material is most likely:

A) a metal
B) a pure semiconductor
C) a heavily doped semiconductor
D) an insulator
E) none of the above