The jailer saw . . . . . . . the prisoner’s scheme.

to
through
about
into

The correct answer is D. into.

The jailer saw into the prisoner’s scheme means that he understood the prisoner’s plan. The other options are not correct because they do not convey the same meaning.

  • To means in the direction of.
  • Through means from one side to the other.
  • About means concerning or relating to.

In this case, the jailer saw into the prisoner’s scheme means that he understood the prisoner’s plan. He saw through the prisoner’s lies and deception. He knew what the prisoner was trying to do and he was able to stop him.