So absorbed as is he that she did not dare to make a sound.
【正确答案】 C
【答案解析】解析:absorbed本意是“沉溺于”,此处可翻译成“聚精会神”;“so...that”是一个固定句型,意为“如此…以至…”;“make a sound”意思是“发出声音”,而不是“同…说话”。