题目：
For many years, the principle goal of computer (73) was to write short pieces of code that would execute quickly. The (74) needed to be small, because memory was expensive, and it needed to be fast, because processing power was also expensive.
A．users
B．programmers
C．computer
D．program
答案：
参考答案：D
解析：题意为“程序必须占用小的存储设备，运行速度快”。答案为D。
