The correct answers are Inane and Arbitrarily.
These two answers fit the blank spaces that were indicated in the sentence.
Inane literally means being foolish, absurd, senseless, etc. The first blank space probably fits this word because it says that you made a thoughtless remark. With the word inane, the sentence can be understood as being insulted or was made as a laughing stock.
The answer to the question is B.
Cultural exchange began between Japan and China around two thousand years ago.
Answer: from 4,000,000 to 14,000,000 people.
Explanation:
I did some online research for you. Hope this helps.