单项选择题
The writer of this letter attempts to （）the views in the editorial.
A．refute B．illustrate C．support D．substantiate
单项选择题 The author's main argument is that（）
单项选择题 The primary purpose of the letter is to（）
单项选择题 At the end of the passage, the author seems to imply that success of the Bill depends upon（）
