[单选题]
A simple RL circuit contains a 6.0-W resistor and an 58ho- jfb8)mpi:aj yx 18-H inductorh+i10soj d:uh: sa5nc+/igc7 ftd .ve . What is this circuit's time co:h+5nsf:hd dcj /+ c7tse0uoai .gi1v nstant?
A. $108 \; s$
B. $3.0 \; s$
C. $0.33 \; s$
D. none of the given answers
