Some teenagers turn a deaf ear to their parents’ advice they know it does good to them.A

问题补充：

Some teenagers turn a deaf ear to their parents’ advice, they know it does good to them.

A. as though

B. now that

C. even though

D. so that

答案：

A. as though

B. now that

(答案→)C. even though

D. so that

解析：考查连词辨析、A似乎，好像；B既然；C即使；Ｄ以至于；句意：一些年轻人对他们父母的建议充耳不闻。即使他们知道这些建议对他们有好处。故Ｃ正确。