单选题 Which of the following is false?

A、 Structure member names throughout a program must be unique.

B、 Attempting to refer to a member of a structure by using only the member’s name is an error.

C、 Inserting a space between the - and > of operator -> is an error.

D、 The dot operator (.) is the structure member operator.

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struct card
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单选题 Which statement is false?

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单选题 Keyword __________ introduces the structure definition.

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