Data in an array can be distinguished using . . . . . . . . number.

Reference
Subscript
Array
ID

The correct answer is: B. Subscript

A subscript is a number that is used to identify a particular element in an array. For example, in the array arr[0], the subscript 0 identifies the first element in the array.

An array is a data structure that stores a collection of elements of the same data type. The elements in an array are stored in contiguous memory locations, and each element can be accessed by its subscript.

A reference is a pointer to an object. A reference can be used to access the object that it points to.

An ID is a unique identifier for an object. An ID can be used to distinguish one object from another.

In conclusion, the correct answer is: B. Subscript. A subscript is a number that is used to identify a particular element in an array.

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