Q:Hello! My name is Kate Green. I'm a student in No. 14 High School. I have classes from Monday to Friday. I have many things to do after class. On Monday and Wednesday, I help my friends with their English. On Tuesday and Thursday, I make model planes. On Friday afternoon, I have a good rest at home and do my homework. Now it is 8:30 in the morning. I am having a math class. I am listening to the teacher. My friends Li Lei and David are writing something. All of us are working hard. ,. Now we are   _  . A) having a math class B) doing our homework C) making model planes D) working hard on a farm
A:
A