题目选项分析

Because of a law passed in 1933 making it a crime punishable by imprisonment for a United States citizen to hold gold in the form of bullion or coins, immigrants found that on arrival in the United States they had to surrender all of the gold they had brought with them.

Due to a law being passed in 1933 that makes it a crime punishable by imprisonment for a United States citizen to hold gold in the form of bullion or coins, immigrants found that on arrival in the United States they had to surrender all of the gold they had brought with them.