is reported in the newspaper is that seventeen climbers have been killed in the snow tsun

问题补充：

is reported in the newspaper is that seventeen climbers have been killed in the snow tsunami.

A. It

B. As

C. What

D. That

答案：

A. It

B. As

(答案→)C. What

D. That

解析：句意：在报纸上所报道的事情是十七名登山者在暴风雪中遇难。这里是主语从句。主语从句中缺少主语故用what，故选C。