Innovative approaches to manufacturing, coupled with the tremendous size of the domestic market, led to the emergence of the United States as an industrial giant.

A．followed by

B．deriving from

C．combined with

D．mixed with

在进行弧长标注时，弧长符号与标注文字的位置关系（）。

A.是标注文字的前缀

B.在标注文字的上方

C.没有弧长符号，只有标注文字

D.以上三种情况都可以，根据需要可以自己设置