请教:全球第三的大半导体企业—意法半导体软件面试题第1大题第2小题如何解答?【题目描述】2. The most recently approved ANSI/ISO C standard was issued in (when) , and singleline comments notation “//” is or isn’t a feature of C89.

请教:全球第三的大半导体企业—意法半导体软件面试题第1大题第2小题如何解答?

【题目描述】

2. The most recently approved ANSI/ISO C standard was issued in (when) , and single

line comments notation “//” is or isn’t a feature of C89.

【参考答案分析】：应该为a，(extern是变量声明，不是变量定义) 。

请教:全球第三的大半导体企业&mdash;意法半导体软件面试题第1大题第2小题如何解答?【题目描述】2. The most recently approved ANSI/ISO C standard was issued in (when) , and singleline comments notation &ldquo;//&rdquo; is or isn&rsquo;t a feature of C89.