フリー問題

問題文

A reader of Product 360 Desktop writes a function for an import and then hands one field a value that stands for nothing. Which pair of claims holds?

選択肢

1. In a function the plus stands for three things while the minus stands for two things, and a field that is handed the word for nothing keeps what it held while a field that is handed a text with no letters keeps that as its content instead.
2. In a function the plus stands for two things while the minus stands for three things, and a field that is handed a text with no letters keeps what it held while a field that is handed the word for nothing keeps that as its content instead.
3. In a function the plus stands for three things while the minus stands for two things, and a field that is handed a text with no letters keeps what it held while a field that is handed the word for nothing keeps that as its content instead.
4. In a function the plus stands for two things while the minus stands for three things, and a field that is handed the word for nothing keeps what it held while a field that is handed a text with no letters keeps that as its content instead.