—Can those at the back of the classroom hear me?
—No problem.
A. seat
B. sit
C. seated
D. sat
网友回答
A. seat
B. sit
(答案→)C. seated
D. sat
解析：考查过去分词做定语：变为陈述语序 those seated at the back of the classroom can hear me. seated at the back of the classroom修饰those，those指代人，人与seat的关系是被动，某人坐下是seat oneself，所以用过去分词修饰，意思是：坐在后边的同学听到我说的话吗？选C。