Final answer:
The word 'spacious' describes something that is large and roomy, the correct answer to the question is c) Roomy.
Step-by-step explanation:
The word spacious in the context of the sentence "The large dinner party took place in a spacious dining room" means that the dining room has plenty of space; it's large and not confining. Therefore, the correct answer is c) Roomy.
A spacious area is one where there's enough room for people to move around comfortably without feeling restricted. This is the opposite of options a) Small, b) Cramped, and d) Crowded, which all imply a lack of space.