【题目】The price of the shoes ________ than before. I can't afford two pairs.
A.is more expensive
B.is much higher
C.are much cheaper
D.are much lower

【答案】B
【解析】句意：鞋的价格比以前高很多，我买不起两双。句中主语是price，要用高或低来修饰，主语是单数，故选B。