The two oil companies agreed to merge their refining and marketing operations in the Midwest and the West, forming a new company for controlling nearly fifteen percent of the nation's gasoline sales.
forming a new company for controlling
forming a new company that would control
which would form a new company that controlled
which formed a new company for controlling
which formed a new company that would control
B:that would control限定修饰a new company
A: 表目的用for doing 还是to do,后者更优;另外,forming现在分词作状语表随之而来的结果,后面又跟个目的,是否合乎逻辑,心里打个问号。