有誰英文好可以告訴我 ?(編號:854)

Question is :
70-100的考古題:
Which role in the team model is responsible for the smooth rollout of the product ?
A.User education
B.Development
C.Deployment
D.Logistics
我猜A,但正確答案是D,我查字典Logistics意思是後勤,後勤學
請問是這樣嗎 ? 還有為什麼是D ?
V_V(苦惱...)