According to the Collision Theory in Gaseous Molecules,collision Frequency Is

According to the collision theory in gaseous molecules,collision frequency is ________ and the rate of reaction is ________ because ________.

A) low,low,molecules are so far apart
B) high,high,each collision results in a reaction
C) low,low,molecules must collide before they can react
D) high,relatively low,only a fraction of the collisions lead to a reaction
E) low,high,molecules are moving so fast that each reaction causes many others