The switch S in the circuit shown is closed for a long time and then opened at time $$t = 0$$. The current in the $$100\ \text{k}\Omega$$ resistance at $$t = 3$$ s is

A

zero

B

$$48\ \mu\text{A}$$

C

$$35.5\ \mu\text{A}$$

D

$$16\ \mu\text{A}$$