经纬线指示方向的描述，正确的是（　　）

A．经线指示东西方向，纬线指示南北方向

B．经线指示南北方向，纬线指示东西方向

C．经线指示东北方向，纬线指示西南方向

D．经线指示西北方向，纬线指示东南方向

The approach we propose is a system-oriented methodology for knowledge acquisition, this orientation emphasizes ongoing documentation throughout each cycle and technique applied. Program-wide documentation is suggested, both for the purpose of internal (91) and for later verification and (92) efforts. The documentation system we propose includes a central "knowledge acquisition (93) " which is (94) to reflect knowledge acquisition plans, session nodes, and domain expert participation. Specifically, (95) within the database system include knowledge acquisition forms, which document plans for, and notes from, knowledge acquisition session, domain expert file, and rule content forms.

（94）是（）

A.edited

B.updated

C.exchanged

D.revised