Question

Many of them turn a deaf ear to his advice, _____ they knew it to be valuable.

A. as if
B. now that
C. even though
D. so that

Answer 1

答案C
even though 引导让步状语从句，意为“尽管”，表示“尽管他们知道他的建议很有价值，但许多人都不理会”。as if意为“好像”。now that意为“既然”。so that意为“以便”。