— What do you think of modem music?— It is often considered not as good as of the past.A.

问题补充：

— What do you think of modem music?

— It is often considered not as good as of the past.

A. it

B. this

C. that

D. one

答案：

A. it

B. this

(答案→)C. that

D. one

解析：考察代词用法。本句指的that指代不可数名词music，后面有定语修饰，表示特指。It指代上文的同一事物。One指代可数名词单数，表示泛指。句意：—你认为当代音乐怎么样？—它通常被认为没有过去的音乐那么好。故C正确。