The sentence addresses Bias part of the annotation.
Answer: Option B
Explanation:
A critical annotation is an except or a passage which gives a brief description of something and which also includes comments that are not just positive, but negative as well.
In writing a critical annotation, you learn that the author holds strong viewpoints in favor of the text's topic, this addresses ‘Bias’ part of the annotation. Because the author hold viewpoints which are ‘in favor’ of the text’s topic. It clearly states that the author is biased, while critical annotation includes unbiased information.