【单选题】使旅行社企业退出市场不具有很高的沉淀成本的原因是( ) The reason why the travel agency enterprise withdraws from the market and does not have a high sunk cost ( 沉淀成本) is ( )
A.
旅行社企业规模较小 Smaller scale of travel agency enterprise
B.
旅行社产品是无形的服务 The products of travel agency is invisible service
C.
旅行社资产的专用性较弱 The asset specificity(专用性 ) of travel agency is weak