<em>the length of one side of a block, especially as a measure of distance.</em>
A line can be measured. Lining up for blocks would mean people form a very long queue, which stretches over the distance of a few blocks.
Answer:
I think the answer is A because it's giving a warning.
His mother speaks spanish
A quality that evokes pity or sadness is the meaning of pathos. I hope this helps.