フリー問題

問題文

A consultancy hands a customer a utility written in C. The customer has installed no development tools at all, yet the utility starts and runs correctly on their computers. What can you conclude about the delivery?

選択肢

1. The delivered file already holds program sources, and the compilation step ran on the customer machine.
2. The delivered file already holds program sources, and the compilation step ran on the developer workstation.
3. The delivered file already holds machine code, and the compilation step ran on the developer workstation.
4. The delivered file already holds machine code, and the compilation step ran on the customer machine.