请教such as 的用法

kathy72

On most of automobile factories, ________ the assembly lline production is now computer guided for efficient manufacturing and inventory control.

A. even such auch age old techniques as
B. when even such an age old
C. even such an age old technique as
D even such an age old tecnique is
答案:A. 我的答案是C

问题: 1. 为什么C错
        2.如果such +复数名词+ as + 单数名词, 谓语动词是否从后者用单数

jeff2003

你的想法是对的。就是应该用复数。谓语应该与最近的名词一致。