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 if the nation's gasoline sales.
A) forming a new company for controlling
B) forming a new company that would controll
C) which would form a new company that controlled
D) which formed a new company for controlling
E) which formed a new company that would control
正確答案B,請問A為什麼錯呢?