With the nuclear crisis worsening in Iran, the world's attention is fixed again on ______is cal

题目简介

With the nuclear crisis worsening in Iran, the world's attention is fixed again on ______is called the Middle East.

A．which

B．that

C．what

D．It

题型：单选题难度：中档来源：不详

试题分析：考查名词性从句。介词on后跟从句作宾语，即宾语从句。宾语从句“______is called the Middle East.”缺少主语，which“哪一个”；that在宾语从句中不作成分；it不引导宾语从句。故选C。