Answer: If the options were these :
A)The average current is directly proportional to several factors including the number of mobile electrons per unit volume in the wire
B)The average current is directly proportional to several factors including the average acceleration of the electrons
C)Electrons are slowed due to collisions with metal atoms
D)Choose this answer if all of the statements are true
E)To have a current there must be an electric field inside the conductor
Explanation: The correct answer is B