Teacher:Given a text, write a compressed version of it in a single sentence.
Teacher: Now, understand the problem? Solve this instance: As the pyramids were already about 2500 years old when Diodorus wrote his World History, one is given to wonder what his authority might have been for such a vivid description.
Student:
With pyramids at 2500 years old when Diodorus wrote his vivid description, one may wonder what authority did he have.