Read the following article and answer the question by choosing from the options.

He had not known what the Last Order had been at the time ( he had been in Junon during the incident ) , and as such , the report caught him completely by surprise . Failure was unheard of when it came to the Turks - the organization had learned some valuable lessons with the Verd Incident and in their dealings with the original AVALANCHE rebel army , and Tseng 's leadership was pretty much flawless . That an operation had been unsuccessful under his watch was a most unpleasant surprise . Confrontation was something that Rufus was extremely good at ; feeling guilt was not .

Why did the operation have a surprising outcome ?
Select from the following.
A). The AVALANCHE rebel army was last seen in Junon ..
B). The Last Order was supposed to have resolved the Verd Incident ..
C). Rufus was did not know how to let go of his guilt ..
D). Tseng rarely saw defeat when leading the Turks .....A:
D).