What is a disadvantage of the hybrid service integrator structure?

What is a disadvantage of the hybrid service integrator structure?
A . The customer can inadvertently develop a long term dependency on the service integration partner.
B . The customer can revert to an internally sourced solution if the service integration partner fails to live up to expectations.
C . The high level of dependency on the service integrator adds risks to continuity.
D . The service integrator might be perceived to be biased, even if this is not the case.

Answer: C