For the time domain function f(t) = t, the Laplace transform of ∫0 t f(t) dt is given by___________________?

For the time domain function f(t) = t, the Laplace transform of ∫0 t f(t) dt is given by___________________?

A. 1/2 S3
B. 2/S3
C. 1/S3
D. 2/S2