If a reader wants to evaluate a text, which is the best question to ask while reading it?

A. What are the goals of the text, and what elements help achieve those goals?
B. When did the author of this text decide on its goals, and when did he write it?
C. How long is this text, and how quickly does it get to the point?
D. Where else is there a text with similar goals that used different elements? ​