Passage Two 　　 Questions 20 to 22 are based on the passage you have just heard. 　

What started a battle of letters in the laundry C） room?（）

A．Someone dumped the clothes left in the washer and dryer. 　　
B．Someone broke the washer and dryer by overloading them. 　　
C．Mindy Lance’s laundry blocked the way to the laundry room. 　　
D．Mindy Lance’s threatened to take revenge on her neighbors.