Although the chairman didn't' mention any name, we all knew he w

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】：refer to与touch on均可指谈及，提及，refer to还有指向...之意，A项符合题意。答案为A。