下列有关事业单位人员聘用制度的表述，正确的是（）。

A.事业单位与工作人员订立的聘用合同，期限一般不低于3年

B.初次就业的工作人员与事业单位订立的聘用合同期限3年以上的，试用期为12个月

C.业单位工作人员在本单位连续工作满10年且距法定退休年龄不足10年，提出订立聘用至退休的合同的，事业单位应当与其订立聘用至退休的合同

D.事业单位工作人员连续旷工超过15个工作日，或者1年内累计旷工超过30个工作日的，事业单位可以解除聘用合同

Due to a constAntly ______ environment， a poor understanding of the user’s needs and preferences，as well as a ______ of willingness to modify ______ organizational structures and decision models，the full economic potential of Web Information Systems(WIS) has not been realized by now. The data object types of the ______ meta model，the Extended World Wide Web Design Technique(eW3DT)，provide hypertext designers ______ a conceptual，user-centric framework and graphical notation for the construction of both，______ and customized models， during the software development ______ of commercial WIS. A reference model as a normative concept represents an abstraction of a ______ company，its functional units， or its(Web) Information System and is intended to streamline the design and implementation of complex applications at ______costs. As precondition for pursuing a partial globalization strategy，eW3DT ______ between technical and content-specific responsibilities for designing， implementing， and maintaining WIS.

A．modify

B．changing

C．modifying

D．changed