Question

The silence was suddenly broken when a large car,with its he

Answer 1

with its headlights on and its horn blaring 是句子的伴随状语.这不算插入语,因为它是句子的一部分.只不过文中将状语提前了,表示强调.

正常顺序为：The silence was suddenly broken when a large car roared down the arcade with its headlights on and its horn blaring.

在一个句子中间插入一个成分,它不作句子的何种成分,也不和句子的何种成分发生结构关系,同时既不起连接作用,也不表示语气,这个成分称之插入语.

比如：

This topic,by the way（插入语）,is out of the question.