There is a howizontal film of soap solution. On it a thread is placed in the form of a loop. The film is pierced inside the loop and the thread becomes a circular loop of radius `R`. If the surface tension of the loop be `T`, then what will be the tension in the thread?
A. `(pi R^(2))/(T)`
B. `pi R^(2) T`
C. `2 pi RT`
D. 2 RT
