14令 ，試求 F(s)之反拉普拉斯轉換（inverse Laplace transform） f (t) = L-1 {F (s)} ？ 
(A)1- sin(t) + cos(t),t > 0
(B) t + sin(t) - cos(t),t > 0
(C)1+ t - sin(t) - cos(t),t > 0u 
(D)1+ t + sin(t) + cos(t),t > 0