问题
单项选择题
Programmers test a program by running it to ensure that the (74) are correct and that the program produces the desired outcome. If errors do occur, the programmer must make the appropriate change and recheck the program until it produces the correct results. This (75) is called testing and debugging.
A．commands
B．software
C．instructions
D．measure
答案
参考答案：C
解析：Instruction指计算机“指令”。