An Engel Curve for Good $x$ Describes
A) How the Consumption of Good

An Engel curve for good $x$ describes

A) how the consumption of good $x$ varies as the price of good $x$ changes.
B) how the consumption of good $x$ varies as the consumer's income changes.
C) how the consumption of good $x$ varies as the consumption of good
$y$ changes.
D) how the consumption of good $x$ varies as price-consumption curve changes.