单选题 A data structure can be ().
A. an array
B. a record
C. a linked list
D. all of the above
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单选题 () is a fixed-size, sequenced collection of elements of the same data type.
An array
B. A record
C. A linked list
D. A variable
单选题 () is a collection of related elements, possibly of different types, having a single name.
An array
B. A record
C. A linked list
D. All of the above
单选题 Each element in a record is called ().
A. a variable
B. an index
C. a field
D. a node
单选题 All the members of an array must be of ().
A. the same type
B. different types
C. integer type
D. character type