Could you please tell me the passage so that I could find the answer more accurately?
The correct answer is a: The people behind us in line (at least a dozen by our count) arrived too late to get tickets. Parentheses () are often used to enclose additional information, a short explanation, an example, or comment. In this example, there is no need to capitalize the first letter within the parentheses. The last choice is a run-on sentence and incorrect.
Answer:
This is my answer
Adichie grew up in Nigeria. In her presentation, she describes herself as a long-time storyteller and early reader. ... She says that while these stories 'stirred her imagination,' they also gave her a 'single story of what books are.