问题描述：
| _____ by the problem that was put forward at the meeting，the people in the audience had _____ looks on their faces. |
| [ ] |
| A. Puzzled; puzzling B. Puzzled; puzzled C. Puzzling; puzzling D. Puzzling; puzzled |
考点提示：形容词
最佳答案： | B |
_____ by the problem that was put forward at the meeting，the people in the audience had _____ looks
_____ by the problem that was put forward at the meeting，the people in the audience had _____ looks
最佳答案： 