So noisy in the dining hall that he could only make himself heard by shouting at the top o

问题补充：

So noisy in the dining hall that he could only make himself heard by shouting at the top of his voice.

A. was it

B. was there

C. it was

D. there was

答案：

(答案→)A. was it

B. was there

C. it was

D. there was

解析：句意：在餐厅里如此的喧嚣以至于他只能大声喊才能够被听见。So+形容词/副词谓语句首，后面的句子用部分倒装结构，即助动词+主语+动词原形，故排除CD。It is表示判断，“是”，there is表示存在，“有”，根据句意表示判断。故选A。