单项选择题

Questions 23 and 24 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news.
What evidence did investigators fail to find

A.Evidence of fund to bribe Samsung group Chairman.
B.Evidence of fund to bribe government investigators.
C.Evidence of fund to bribe government officials.
D.Evidence of fund to bribe special prosecutors.