Between the two generations, it is often their different views of life and value cause family conflicts.
A. which
B. what
C. who
D. that
网友回答
A. which
B. what
C. who
(答案→)D. that
解析：考查强调句。本题考查强调结构：it is + 强调部分 + that从句，强调主语their different views of life and value。句意：在两代人之间，常常是他们不同的生活观和价值观引起家庭纷争。