Although the chairman didn't mention any name, we all knew he was （） his secretary.
A、
referring to
B、
saying
C、
touching on
D、
suggesting
【正确答案】：A
【题目解析】：
句意：尽管董事长没有提到任何人的名字，我们都知道他指的是他的秘书。refer to意为“提及到，说到，指的是”，符合题意。
Although the chairman didn't mention any name, we all knew he was （） his secretary.
Although the chairman didn't mention any name, we all knew he was （） his secretary.
referring to
saying
touching on
suggesting
句意：尽管董事长没有提到任何人的名字，我们都知道他指的是他的秘书。refer to意为“提及到，说到，指的是”，符合题意。