I don’t think the problem you referred to is worth.A. thinkingB. being thought overC. thin

问题补充：

I don’t think the problem you referred to is worth.

A. thinking

B. being thought over

C. thinking over

D. considering of

答案：

A. thinking

B. being thought over

(答案→)C. thinking over

D. considering of

解析：考查固定句型。句意“我认为你说的问题不值得考虑。”be worth doing sth.“值得做某事”；think over“仔细考虑”。故选C。