SAT语法题!though still yet

题目

SAT语法题!though still yet
Q:The political process in the United states is dominated by the Democratic and Republican parties,(other parties can still influence the nation's political life,though.)
A:括号
B：still,other parties can influence the nation's pilitical life.
C:other parties,however,can still influence the nation's political life.
D:however,other parties can still influence the nation's political life.
E:though other parties can still influence the nation's political life.
可以把每个选项哪里错了不能选,答案为什么对讲清楚吗?

答案

正确答案 （E）.(E) 有连词 though,引起从句；句中的 still 是副词.(A)、(B)、(C) 和 (D) 都将使句子成 run-on sentence (一种 SAT 里的高频错误现象).句子需要连词引起从句或并列句 (以避免 run-on sentence):...