Nominative case pronouns are also known as subject pronouns.
Examples: He, she, I, we, you, they, etc.
In this case, A) He is the nominative case pronoun
- Ari
<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.