问题补充：
The environmental problem we are looking forward to is our attention.
A. see being solved ; worth
B. seeing solved ;worthy
C. seeing solved ;worthy of
D. see to solve; worth
答案：
A. see being solved ; worth
(答案→)B. seeing solved ;worthy
C. seeing solved ;worthy of
D. see to solve; worth
解析：可联系答.案.网客服索取。
