$09.(1$ pt$)$

The table below shows the processing times $($in days$),$ and precedence requirements of the jobs that constitute a road construction project.

$4$

Job Processing time $($days$)$ Immediate Predecessors

A $4-$

B $3-$

C $7$ A

D $11$ A$,$ B

E $4$ C$,$ D

F $9$ D

G $6$ E$,$ F

H $6$ F$,$ G

What is the critical path of the road construction project?

$($a$)$ A$-$D$-$E$-$G$-$H

$($b$)$ B$-$D$-$F$-$G$-$H

$($c$)$ B$-$D$-$E$-$G$-$H

$($d$)$ A$-$D$-$F$-$G$-$H