xiaoyuexiao

con?sti?tute
                W3
朗文对constitute的释意的第一条可完美支持选项C。E显然不对。
1 [linking verb, not in progressive]
            to be considered to be something:
Failing to complete the work constitutes a breach of the employment contract.
The rise in crime constitutes a threat to society.
2 [linking verb, not in progressive]
            if several people or things constitute something, they are the parts that form it:
We must redefine what constitutes a family.
3 [transitive usually in passive]
            formal
            to officially form a group or organization:
The Federation was constituted in 1949.