单项选择题

Well begun is half done, as the saying goes. It is extremely important for a job applicant to make sufficient preparations while seeking employment. From my standpoint, whether or not one has prepared adequately clearly makes a difference in (affects) his chance of success.
I have a friend who is earning around 100 thousand dollars a year in a computer software company. He told me that, from his own experience, those who can decide whether an applicant could be employed prefer people who are well prepared.
What’s the salary of the writer’s friend according to this passage

A.70 thousand dollars a year.
B.80 thousand dollars a year.
C.100 thousand dollars a year.
D.Not mentione