在Quartus Ⅱ工具软件中，采用LPM_ROM宏功能模块的定制进行正弦波发生器的设计，以下操作是打开LPM宏功能块调用管理器。()
A: Set as Top-Level Entity
B: Progarmmer
C: SOPC Builder
D: Mega Wizard Plug-In Manager
A: Set as Top-Level Entity
B: Progarmmer
C: SOPC Builder
D: Mega Wizard Plug-In Manager
