单选题 In C language, there are several methods of communicating data between functions, one of which is by (51)

【正确答案】 A
【答案解析】[解析] C语言中,函数间数据通信的方法有很多种,其中一种是使用参数。另外还有公用变量、堆栈、共享缓冲区等方法。