Which formatting practice is standard for English essay writing? A. Indenting the first line of paragraphs B. Adding two spaces after punctuation C. Underlining main arguments D. Using bold text for headings 答案解析 核心考点：写作格式规范。正确答案A依据：英文写作标准格式要求段落首行缩进。错误选项分析：B（过时格式）、C/D（非学术写作常规）。关键依据：通用学术格式规范。 正确答案：A