单项选择题

案例分析题

For many years, the principle goal of computer () was to write short pieces of code that would execute quickly. The () needed to be small, because memory was expensive, and it needed to be fast, because processing power was also expensive.

The () 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