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【单选题】
若ch为char型变量，k为int型变量（已知字符a的ASCⅡ码是97），则执行下列语句后输出的结果为（ ）。
A.
因变量类型与格式描述符的类型不匹配，输出无定值
B.
输出项与格式描述符个数不符，输出为0或不定值
C.
62，142，k=％d
D.
62，142，k=％l0
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