The passage gives an overview of the types of universities in US and Canada.

A．it's a skill often used in dealing with a difficult article
B．reading is making constant hypotheses
C．without it, we will read and readjust our thoughts
D．it helps to understand what we read

A．This method needs improving in spite of its obvious advantages.
B．This method is most effective when used unconsciously.
C．This method, if used properly, will improve one's comprehension.
D．This method is particularly useful for foreign language learners.