HOW WELL YOU'LL UNDERSTAND THE LESSON DEPENDS ON HOW MUCH YOU PAY...

12. How well you'll understand the lesson depends on how much you pay attention.A. The more you pay attention, the better you'll understand the lesson.B. The more you pay attention, the worse you'll understand the lesson.C. The much you pay attention, the good you'll understand the lesson.D. The better you'll understand the lesson, the more you pay attention.