(70)                                 

A Examinations compel students to read as little as they can, and as they do so, they forget  knowledge unconsciously.  

B Examinations compare  students to read as much as they can, and as they do so, they absorb knowledge unconsciously.

C Examinations allow students to learn as much as they can, and as they do so, they understand  knowledge unconsciously.

D Examinations encourage students to read as much as they can, and as they do so, they absorb knowledge consciously.