Read this excerpt from "letter to george iii, 1793" by emperor qian long: our dynasty's majestic virtue has penetrated unto every country under heaven, and kings of all nations have offered their costly tribute by land and sea. as your ambassador can see for himself, we possess all things. i set no value on objects strange or ingenious, and have no use for your country's manufactures. which words in the text most clearly show a superior attitude? a. costly tribute by land and sea b. objects strange or ingenious c. our dynasty's majestic virtue d. your ambassador can see for himself