问题补充:
The look on his face suggested that what the monitor said was .
A. puzzling; puzzled
B. puzzled; puzzled
C. puzzled; puzzling
D. puzzling; puzzling
答案:
A. puzzling; puzzled
B. puzzled; puzzled
(答案→)C. puzzled; puzzling
D. puzzling; puzzling
解析:考查puzzled与puzzling的区别,puzzled 感到困惑的,修饰人或与人有关的眼神、嗓音、表情等等,puzzling 令人困惑的,修饰物,句意:他脸上困惑的表情暗示了班长所说的话令人困惑。故选C。