All the w's like what, where, when, why and how?
<span>Most people would run from a stranger that they believed to be the devil. The reason Tom Walker stays to converse with Old Scratch is the fault of his greed. Tom desires the treasure Old Scratch has promised him. Though Tom initially refuses the treasure to spite his wife, he eventually makes a deal with the devil after his wife is killed.</span>
You did not include options in your question, but based on the meaning of the word cryptic, your answer will be 'A HIDDEN MEANING'.
When you say that something is cryptic, it means that, that thing has a meaning that is mysterious or obscure.
From the way the word was used in the given sentence, it means that the message the teacher was passing across about the test is hidden, it was not understood by any of the students.
1 ITS GOOD CHOICE AND DANT TALK TOME BYE