Thirteen states from all regions of the country announced a plan to impose new controls on pollution from truck and bus engines in that they will jointly adopt emission limits that would be far stricter than the federal rules.
(A) to impose new controls on pollution from truck and bus engines in that they will jointly adopt
(B) to impose new controls on truck and bus engines' pollution by the joint adoption of
(C) to impose new controls on pollution from truck and bus engines by jointly adopting
(D) for imposing new controls on pollution from truck and bus engines, and jointly adopting
(E) for imposing new controls on truck and bus engine pollution in the joint adoption of
Ans:C
我看C 紅色字怪怪的,而B有什麼不好?
