139                  As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have vastly increased.

(A) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have

(B) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has

(C) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has

(D) their circuits are more complex, the power of both the chips and the electronic devices they drive have（B）

(E) their circuits more complex, both the power of the chips and the electronic devices they drive have

 the chips’ circuits more complex请问这部分和前面怎么够成平行啊？算什么结构？读起来总是怪怪的？

 the chips’ circuits more complex请问这部分和前面怎么够成平行啊？算什么结构？读起来总是怪怪的？

多个主语平行出现时， 相同的谓语/系动词经常省略；