Starting with original lab $4$ data, which path$($s$)$ is$/$are the critical path$($s$)$ if activities B and D increase by $2$ days, while activity H decreases by $1$ day?

Question $1$Select one or more:

a$.$

A$-$C$-$E$-$H$-$I

b$.$

A$-$C$-$E$-$F

c$.$

B$-$C$-$E$-$H$-$I

d$.$

B$-$C$-$E$-$F

e$.$

B$-$D$-$E$-$H$-$I

f$.$

B$-$D$-$E$-$F

g$.$

B$-$D$-$G