Don’t take for granted that your parents should support you all your life.
A. this
B. that
C. them
D. it
网友回答
A. this
B. that
C. them
(答案→)D. it
解析：考查it用法。在英语中只有it可以作为形式主语和形式宾语。在本句中it是形式宾语，真正的宾语是that your parents should support you all your life.句意：宾语想当然地认为你的父母亲应该支持你的一生。故D正确。