Have you ever seen a well that looked like a palace? Thousands of years ago, people in India built wells so big that they looked like underground palaces! To build a well, you bore down into the earth. But to make stepwells in India, builders would dig holes that were wider than most wells. They looked like swimming pools.
What does "bore" mean in tbis passage?
A.to make a hole in something.
B.to create a tall structure.
C.to describe something uninteresting.
D.to go from one place to another.