If the Price of Goods X and Y Change Proportionally,then

Multiple Choice

If the price of goods X and Y change proportionally,then which of the following is true?

A) The budget line will not change because the prices have changed proportionally.
B) It is not clear what happens to the budget line because too many factors have changed.
C) It will appear as if the budget line has shifted even though income has not changed.
D) It will appear as if the budget line pivoted and the slope will change because prices changed.