【单选题】

ASCII is a 7-bit code used to represent numeric, alphabetic, and special printable characters. It also includes codes for control characters, which are
A． printable or displayable

B． not printable or displayable
C． not printable but displayable
D． printable but not displayable

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参考答案：

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根据网考网移动考试中心的统计，该试题：

3%的考友选择了A选项

89%的考友选择了B选项

3%的考友选择了C选项

5%的考友选择了D选项

ASCII is a 7-bit code used to represent numeric, alphabetic, and special printable characters. It also includes codes for control characters, which areA． printable or displayable