Which of the following is an example of an argument rooted in bias? O A. Tobias

Which of the following is an example of an argument rooted in bias?
O
A. Tobias deserves to be promoted because he's the greatest guy I've
ever worked with
C
O
B. Tobias deserves to be promoted because he works more hours
than anyone else.
O
C. Tobias deserves to be promoted because his marketing strategy
earned the company millions.
O
D. Tobias deserves to be promoted because his positive attitude
makes him a natural leader.