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.

Why is NOT the possible factor of success according to the man in the conversation

A.We should be patient.
B.We should work hard.
C.We should be blessed with luck.
D.We should understand the importance of teamwork.