单项选择题


In this section, you will hear several news items. Listen to them carefully and then answer the questions that follow.
Questions 21 and 22 are based on the following news. At the end of the news item, you will be given I0 seconds to answer the questions. Now, listen to the news.
According to this news, about how many performers in Philharmonic orchestra were in this trip

A.50.
B.100.
C.200.
D.1,000.