高等继续教育 / 经贸英语
正确率：100%
题型描述: 单选题
The clients are especially ＿＿＿＿ the danger of damage to these goods while they are being transported.
A.concerned about
B.concerned in
C.to concern with
D.to concern for
The clients are especially ＿＿＿＿ the danger of damage to these goods while they are being transported.
A.concerned about
B.concerned in
C.to concern with
D.to concern for
参考答案：