Answer: The vocabulary is more difficult to understand.
Explanation: Because the literature of the old English is more complicated. It is almost never to the point. The metaphors are harder to understand because of the culture this changes when the times become closer to the English now.
I believe you are looking for A. Numbers are more effective than bullets in outlining the steps in a process.
Answer: Because they can express a different opinion and take a different approch to it
I can't tell what's the poem and what's the question, maybe can you put the poem in quotations? Either that or you didn't write it correctly.