【单选题】The demand curve for microwave popcorn is linear. Which of the following definitely makes the demand for microwave popcorn more inelastic? (微波爆米花的需求曲线是线性的。以下哪一个肯定会使微波爆米花的需求更无弹性?——中文由在线翻译而来,仅供参考)
A.
a decrease in the price of microwave popcorn微波爆米花价格下跌
B.
an increase in the price of microwave popcorn微波爆米花价格上涨
C.
an increase in income收入增加
D.
a decrease in income收入减少