If Buyers Today Become More Willing and Able Than Before

Multiple Choice

If buyers today become more willing and able than before to purchase larger quantities of Vanilla Coke at each price of Vanilla Coke,then

A) we will observe a movement downward and to the right along the demand curve for Vanilla Coke.
B) we will observe a movement upward and to the left along the demand curve for Vanilla Coke.
C) the demand curve for Vanilla Coke will shift to the right.
D) the demand curve for Vanilla Coke will shift to the left.