Read this passage from A Wrinkle in Time by Madeleine L'Engle. Then, answer the question(s).

"Meg, is something troubling you? Are you unhappy at home?" Mr. Jenkins asked.

At last Meg looked at him, pushing at her glasses in a characteristic gesture. "Everything's fine at home."

"I'm glad to hear it. But I know it must be hard on you to have your father away."

Meg eyed the principal warily, and ran her tongue over the barbed line of her braces.

"Have you had any news from him lately?"

Meg was sure it was not only imagination that made her feel that behind Mr. Jenkins's surface concern was a gleam of avid curiosity. Wouldn't he like to know! she thought. And if I knew anything, he's the last person I'd tell. Well, one of the last.

…

Mr. Jenkins waited for an answer, but Meg only shrugged.

"Just what was your father's line of business?" Mr. Jenkins asked. "Some kind of scientist, wasn't he?"

"He is a physicist." Meg bared her teeth to reveal the two ferocious lines of braces.

"Meg, don't you think you'd make a better adjustment to life if you faced facts?"

"I do face facts," Meg said. "They're lots easier to face than people, I can tell you."

"Then why don't you face facts about your father?"

"You leave my father out of it!" Meg shouted.
From the details in the passage, which of these inferences should readers make about Meg?

A. She is a very young child.
B. She is a preteen or teenager.
C. She is a college student.
D. She is a middle-school teacher.