Johnson_____his meal when his friend Tim called him to eat out t

Johnson_____his meal when his friend Tim called him to eat out together.
A、had finished
B、has finished
C、finished
D、finishes
【正确答案】：A
【题目解析】：考查过去完成时。句意：当Johnson的朋友叫他一起出去吃饭时，他已经吃完饭了。空格后面时间状语从句中的谓语动词为过去时，根据句意，空格处应用过去完成时，故选A。