The critical path for the network activities shown below is

with duration

$\backslash$table$[[$Activity$,$Duration,$\backslash$table$[[$Immediate$],[$Predecessors$]]],[$A$,10,-],[$B$,8,-],[$C$,2,$A$],[$D$,4,$A$],[$E$,5,$B$,$ C$,$ D$]]$

A$.$ A$-$D$-$E; $19$

B$.$ B$-$E; $13$

C$.A-C$;$12$

D$.$ A$-$B$-$C$-$D$-$E; $29$

E$.$ None of the above.