—Do you enjoy My heart will go on?
—No, I prefer songs loud.
A. that is
B. which is
C. that are
D. what are
网友回答
A. that is
B. which is
(答案→)C. that are
D. what are
解析：考查定语从句的用法。songs后面是一个修饰它的定语从句，后面的关系代词在从句中做主语，用which或that；先行词是复数，所以，定语从句的动词应与其保持一致。故选C。