The traffic problems we are looking forward to solved should have attracted the governmen

问题补充：

The traffic problems we are looking forward to solved should have attracted the government’s attention.

A. see

B. seen

C. be seen

D. seeing

答案：

A. see

B. seen

C. be seen

(答案→)D. seeing

解析：可联系答.案.网客服索取。