Sympathetic fibers that reach the suprarenal gland are:

postganglionic, having synapsed in the celiac ganglion.
preganglionic, but they have passed through the celiac ganglion.
preganglionic, because they never passed through a ganglia.
postganglionic, but they have not synapsed.
preganglionic, having synapsed in the sympathetic trunk, but not passing through any other ganglia.