Although he eats a lot ___

The conjunction "although" suggests a contrast making "he is losing weight" the logical completion as it contrasts with eating a lot. Options B C and D imply weight gain lacking contrast. Logical sentence completion requires understanding flow a skill useful in writing narratives or arguments. Choosing the right continuation ensures coherence especially in professional or academic communication. Contrasting ideas clarify meaning in storytelling or analytical discussions where logical connections enhance understanding and engagement.