27. Mark is unhappy about his current job because he does not get enough money from it. He thinks that it is very difficult to support a large family on such a low__________ .
(A)computer
(B) flag
(C) salary
(D)library

Mark因為不能從工作中獲得足夠的金錢所以不喜歡他現在的工作。他覺得用這麼少得薪水去支撐龐大的家庭是非常困難。