I wish I could answer my exam questions like this . Imagine : The question asks for the importance of water and joints in limestone - cave formations . Imagine : The answer I give : Quite important I guess . If you like your caves big . We look unstable . We are on an unstable bridge .
What do we know about the speaker ?
Pick the best answer from the following options:
A. They have big caves .
B. None of the above choices .
C. They are a student .
D. They give exams .


C