Select the correct answer (only one correct answer for each question, 3points for each question)1) The price of good A goes up. As a result, the demand for good B shifts to the left. From this we can infer that:
A、goodAisusedtoproducegood
B、goodBisusedtoproducegoodA
C、goodsAandBaresubstitutes
D、goodsAandBarecomplements
发布时间：2024-09-17 23:28:26
