An assertion (A) and a reason (R) are given below.
Assertion (A): Tungsten filament is used for making light bulbs.
Reason (R): Tungsten has a high melting point. 

Choose the correct option.

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true, but R is not the correct explanation of A

C

A is true, but R is false

D

A is false, but R is true