Given the WBS$,$ what is the earliest start for activity D$?$

$\backslash$table$[[$Activity $($WBS$),$Immediate,Activity Time$],[,$Predecessors,$($weeks$)],[$Start$,$None,$0],[$A$.$Kickoff Meeting,Start,$3],[$B$.$Select administrative staff,A$,5],[$C$.$Select system configuration,B$,2],[\backslash$table$[[$D$.$Select Sonar option$],[$E$.$Create technical data$]],$B$,17],[$package$,$B$,$C$,$D$,4],[$F$.$ Evaluate parts options,C$,5],[$G$.$ Decide on parts,D$,7],[$H$.$ Inform client of parts,E$,$F$,$G$,3],[$selection$,$F$,$H$,14]]$

$5$

$25$

$22$

$8$