_______ 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
_______ 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
B