问题
选择题
Many of them turned a deaf ear to his advice，________ they knew it to be valuable.
A．as if
B．now that
C．even though
D．so that
答案
答案：C
“Many of them turned a deaf ear to his advice”和“they knew it to be valuable”意思相反，四个选项中引导让步状语从句的even though最为适合。