B. "A way of thinking which interferes with objectivity" is the correct answer. A bias is prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair. So a bias definitely interferes with subjectivity.
Im assuming youre talking about a famous Frankenstein poem. He does so because he is desperate for a friend. The old man is blind so he feels that the monster is not much dIfferent from any human.
Its A, its illogical whether he cures or he mistakenly kills he gets his pay.
