Economists have found that the price elasticity of demand for water is higher in the summer than in the winter. Why is this likely to be so?

A.Winter is longer than summer, and price elasticity is lower over longer time horizons.

B.Summer is longer than winter, and price elasticity is higher over longer time horizons.

C.People take more vacations in the summer and so use less water at home.

D.Winter water use tends to be for necessities such as cleaning and cooking, and summer water use tends to be for both necessities and non-necessities such as gardening and recreation.

正确答案：Winter water use tends to be for necessities such as cleaning and cooking, and summer water use tends to be for both necessities and non-necessities such as gardening and recreation.