Chinese,the most ancient of living writing systems, consists of tens of thousands of ideographic characters, each character a miniature calligraphic composition inside its own square frame.
223.Chinese, the most ancient of living writing systems, consists of tens of thousands of ideographic characters, each character a miniature calligraphic composition inside its own square frame. (A) each character a miniature calligraphic composition inside its (B) all the characters a miniature calligraphic composition inside their (C) all the characters a miniature calligraphic composition inside its (D) every character a miniature calligraphic composition inside their (E) each character a miniature calligraphic composition inside their
这里原来的句子应该是 each character has a miniature calligraphic composition inside its own square frame. 变化为独立主格结构后应该是 each character having a miniature calligraphic composition inside its own square frame. 原句中没有having 所以这里不是独立主格结构 而应该用同位语来解释比较好