单项选择题

Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now listen to the conversation.

According to the man, what is the disadvantage of recycled waste paper

A.Its drab color.
B.A scarcity of it.
C.Its stale smell.
D.A problem in storing it.