Consider the Consumption Function in a Simple Macro Model with No

Consider the consumption function in a simple macro model with no taxes.At the level of national income where APC = 1,the nation's households are

A) consuming all of their disposable income.
B) allocating their income equally between saving and consumption.
C) saving a portion of their income,but saving is less than consumption.
D) spending more than their current income.
E) saving all of their disposable income.