问题
选择题
The bad weather is reported _______ the passenger plane crash in Iran on January 9.
A．to contribute to
B．contributing to
C．contributed to
D．to have contributed to
答案
答案：D
这题考查句型：Sb/sth is reported to have done“据说某人已经做了什么”，因为报道的时候已经发生了空难，所以选D。