Embedded C is a set of ______ for the C Programming language by the C Standards committee to address

Embedded C is a set of ______ for the C Programming language by the C Standards committee to address commonality issues that exist between C extensions for different embedded systems.（2015年嵌入式系统设计师下半年）
A. programming
B. database  
C. interface
D. language extensions



参考答案：D
参考解析：