The following sources claiming or supporting Yu Hsien above is letter D. Yu Hsien hated non-Chinese religions like Christianity. Taiyuan massacre during Boxer Rebellion, which killed 45 Christians with children. It was at this time tha Yu Hsien was the governor of Shanxi.
Your best answer is c probably.sorry if I got it wrong
The British, for example, admired the tomato for its beauty, but believe that it was poisonous, as its appearance was similar to that of the wolf peach.
I believe it was the Rhine or something close to that, where they had mined iron. I could be wrong though, good luck.