现在进行时描述正在发生的活动 — 英语选择题
题目
周末聚会上，妈妈打电话问 Mike 家里的情况。Mike 说："Dad isn't watching TV — he is cooking in the kitchen. My sister isn't dancing — she is singing with her friends." 由此可知，Mike 的爸爸和姐姐现在正在做的活动分别是：A. watching TV; dancing B. cooking; singing C. cooking; dancing D. watching TV; singing