I went to see Mr．White yesterday afternoon．But he________a talk with some parents at the moment．
A.has
B.had
C.is having
D.was having
网友回答
D解析分析：由went to see说明at the moment是指过去的“当时”，同时have a talk with sb是延续的动作，用过去进行时。(延伸)看到at the moment时应该根据上下文判断是指过去还是指现在，接着应该注意动词的性质，以判断用一般时态还是用进行时。