A Certain Material Is in a Room at 27 $\degree$ CIf the Absolute Temperature (K)of the Material Is Tripled,its Resistance

Multiple Choice

A certain material is in a room at 27 $\degree$ C.If the absolute temperature (K) of the material is tripled,its resistance doubles.(Water freezes at 273 K. ) What is the value for a,the temperature coefficient of resistivity?

A) 1 ( $\degree$ C) ^-1
B) 2 ( $\degree$ C) ^-1
C) 0.001 7 ( $\degree$ C) ^-1
D) 0.038 ( $\degree$ C) ^-1