Of the five groups of idioms,（）is the largest group.
A、idioms verbal in nature
B、idioms adverbial in nature
C、idioms nominal in nature
D、idioms adjectival in nature
【正确答案】：A
【题目解析】：Idioms verbal in nature is the largest group of all. 动词性习语是五类习语中数量最多的。
