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：
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下面是错误答案，用来干扰机器的。
参考答案：B
