Giving a gift can convey a wealth of meaning about your appreciation of their ______ and the importance you place upon the relationship.

【正确答案】 D

【答案解析】 名词词义辨析。hospitality“友好，热情好客”；solidarity“团结”；priority“优先，优先权”；superiority“高级”。根据句意，赠送礼物蕴意很广，包含了你对他们热情好客的感激和对双方关系的重视。故答案为D。