Which statement correctly describes inout parameters?

A.
inout parameters are passed only from the server-side implementation to the calling method.

B.
inout parameters are passed only from the calling method to the server-side implementation.

C.
inout parameters cannot be used to pass IDL struct types.

D.
inout parameters are passed from the calling method to the server-side implementation and
from the server-side implementation to the calling method.