The Rate Law for a Reaction Is Found to Be $\to$

Multiple Choice

The rate law for a reaction is found to be Rate = k[A]²[B].Which of the following mechanisms gives this rate law?
I.A + B E (fast)
E + B $\to$ C + D (slow)
II.A + B E (fast)
E + A $\to$ C + D (slow)
III.A + A $\to$ E (slow) .
E + B $\to$ C + D (fast)

A) I
B) II
C) III
D) two of these
E) none of these