Contextual Logic: The sentence mentions that the person is a "beloved team member." This indicates that the missing word must be a positive trait that makes people like her.
Word Meanings:
Cordial (Correct): This means warm, friendly, and polite. A "cordial attitude" naturally leads to being well-liked in a team.
Apathetic (Incorrect): This means showing or feeling no interest, enthusiasm, or concern. This is a negative trait.
Indifferent (Incorrect): This means having no particular interest or sympathy; unconcerned. Also a negative or neutral trait.
Belligerent (Incorrect): This means hostile and aggressive. This would make a person disliked, not beloved.
Sentence Flow: "Her cordial attitude towards her colleagues made her a beloved team member."