GWD3-Q22，关于C和D

On account of a law passed in 1993, making it a crime punishable by imprisonment that a United States citizen 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.

A.      On account of a law passed in 1993, making it a crime punishable by imprisonment that a United States citizen hold

B.       With a law passed in 1933 that makes it a crime punishable by imprisonment that a United States citizen hold

C.      A law passed in 1933 that made it a crime punishable by imprisonment for a United States citizen holding

D.      Because of a law passed in 1933 making it a crime punishable by imprisonment for a United States citizen to hold

E.       Due to a law being passed in 1933 that makes it a crime punishable by imprisonment for a United States citizen to hold

我选的是C，答案给的是D，看讨论认为C错在没有谓语，我的问题两个

1：D就有谓语了？

2：后面还有一句完整的主谓结构，“，”可以连接两个句子？

谢谢大家指点

对