單項(xiàng)選擇題已知4A+5B=2C+2D,則關(guān)于反應(yīng)速率,正確的關(guān)系是()

A.4V(A)=5V(B)
B.5V(B)=6VD
C.2V(A)=3VD
D.4V(B)=5V(A)