单项选择题About Data Modeling design levels descriptions: Which one is correct matching? ( C ) 1) Based on the user's data function requirements. functions and association relationships are obtained, Entity Class corresponding to the business elements and functions. 2) More details of data entities, including primary keys, foreign keys, attributes, indexes, relationships, constraints, and even views, with data tables, data columns, value ranges, object-oriented classes, XML tags and other forms to describe. 3) The storage implementation of data, including data partition, data table space, and data integration. A、1-Conceptual model design 2-physical model design 3- logical model design B、1- Logical model design 2-Physical model design 3- Conceptual model design C、1-Conceptual model design 2- logical model design 3- Physical model design D、1- Physical model design 2- Conceptual model design 3- logical model design