She said she learned a lot in her university courses, but she learned _______ in school-based professional development.

A．as much twice

B．twice as much

C．much as twice

D．twice much as

有一个学生表文件，且通过表设计器已经为该表建立了若干普通索引。其中一个索引的索引表达式为姓名字段，索引名为XM。现假设学生表已经打开，且处于当前工作区中，那么可以将上述索引设置为当前索引的命令是

A．SET INDEX TO姓名

B．SET INDEX TO XM

C．SET ORDER TO姓名

D．SET ORDER TO XM