Sue and Rick are playing tennis right now and  they\'re getting tired.They have played/have been playing tennis  since 9o\'clock this morning. 여기서 두번째문장에 현재완료랑 현재완료진행이 둘다 된다고나와있는데 9시부터 쉬지않고 계속친거면 현재완료진행만되는거아닌가요?