Which steps do you have to go through in order to do this?

You have to load three tables A, B, and C in parallel, wait for them to be loaded, and then
load a fourth table D. Which steps do you have to go through in order to do this?

A.
Generate three scenarios to load A, B, and C, add them to a package, use an
OdiWaitForChildSession step before adding an Interface to load D

B.
Generate three scenarios to load A, B, and C, add them to a Package, set their
Synchronization mode to Asynchronous, use an OdiWaitForChildSession step before
adding an Interface to load D

C.
Generate three scenarios to load A, B, and C, add them to a package, set their
Synchronization mode to Synchronous, use an OdiWaitForChildSession step before adding
an interface to load D

D.
Add three Interfaces to load A, B, and C to a package, use an OdiWaitForChildSession
step before adding another Interface to load D