The Laplace transform of the signal u(t-1) * e-2t u(t-1) is ___________

• A. \(\frac{e^{-2(s+1)}}{2s+1}\)
• B. \(\frac{e^{-2(s+1)}}{s+1}\)
• C. \(\frac{e^{-(s+2)}}{s+2}\)
• D. \(\frac{e^{-2(s+1)}}{s+2}\)