Answer:
B., the other character's views and thoughts are left out.
Step-by-step explanation:
In first person narration, the reader often has deep understanding of that character's feelings, and perception of the world. It can also create better readability because the story is not bombarded with several other points of view with no clear resolution or unifying factor. However, this can also be a limitation because of that exact same quality: You really don't get insight into the thoughts or feelings of other characters beyond how the narrorator presents or interprets them.