フリー問題

問題文

You check whether one collection may sit straight inside another of its own sort, and what a stored shape settles about the parts it holds. Which pair completes this sentence correctly?

選択肢

1. an element of an array whose data type is again the array data type is common, and what the schema of a struct settles about its elements, besides their names and their number, is their depth
2. an element of an array whose data type is again the array data type is common, and what the schema of a struct settles about its elements, besides their names and their number, is their order
3. an element of an array whose data type is again the array data type is barred, and what the schema of a struct settles about its elements, besides their names and their number, is their order
4. an element of an array whose data type is again the array data type is barred, and what the schema of a struct settles about its elements, besides their names and their number, is their depth