The sale usually takes place outside the house ,with the audience on benches,______chairs or boxes。
A.having seated
B.to seat
C.seated
D.seating
答案:C
考查非谓语动词。sit 是主动,如果用seat就是被动,因为sit是动态的“坐”,而seat是表状态,静态的坐,所以正确的表达应该是sb be seated on sth。所以这里主要表状态,用的seat,就要用过去分词。选C。