The answer is D. Sentence 7. When it says "plates may also collide", it is bringing up another topic about the plates. As you read past sentence 7, you notice a shift in topic as you are reading. Instead of plates sliding against each other, the speaker is now talking about them colliding.
Fired and consumed, those both express shakespeare’s use of his plays to express emotion
Most likely it is much more humid, as B might be arid and dry
