What step should be taken to resolve this issue?

An administrator powers on a vCloud Automation Center Multi-Machine Service that includes
machine A and machine B. The application on machine A does NOT start correctly and displays
the following error message:
Machine B not ready
What step should be taken to resolve this issue?

A.
Change the startup order of the Multi-Machine Service.

B.
Create a startup dependency in the Multi-Machine Service.

C.
Define a startup delay in the Multi-Machine Service.

D.
Adjust the startup approvals for the Multi-Machine Service.