Demand Schedule is shown as

The correct answer is: C. a function of price alone.

A demand schedule is a table that shows the relationship between the price of a good and the quantity demanded of that good. It is a function of price alone because it shows how much of a good consumers are willing and able to buy at different prices.

The other options are incorrect because they are not functions of price alone. Option A is incorrect because the size of a family does not affect the demand for a good. Option B is incorrect because taste is a subjective factor that can affect the demand for a good, but it is not the only factor. Option D is incorrect because the demand schedule is a function of price alone.