属于烷化剂（）。

A.阿糖胞苷

B.长春新碱

C.环磷酰胺

D.维A酸

E.门冬酰胺酶

Service ______ Architecture aims to provide a model for the creation of service components in a widerange of languages and a model for assembling service components into a business solution - activities which areat the heart of building applications using a ______ architecture.
Service Data Objects aims to provide consistent means of handling ______ within applications,whatever its source or ______ may be. SDO provides a way of unifying data handling for databases and forservices. SDO also has mechanisms for the handling of data while ______ from its source.

A. Oriented B. Level C. ComponentD. Conference