设置p标签的文字格式:字体Arial,字号18像素,斜体,加粗;以下哪些设置方法是正确的 A. p{ font-family:Arial; font-size:18px; font-style:italic; font-weight:bold; } B. p{ font-family:Arial; size:18px; font-style:italic; font-weight:bold; } C. p{ font: Arial italic bold 18px ; } D. p{ font:italic bold 18px Arial; }