Dr. Lanyon is an intelligent, respectable lawyer who is suspicious the "Mr. Hyde" is threatening or bullying Dr. Jekyll into giving him property and leaving money for him in his will. Because Dr. Lanyon is an intelligent man, he always looks for a logical, practical answer, which is why he does not wonder is Hyde and Jekyll are the same person.
The third option will be the one
The correct answer is option four.
Explanation:
Because it doesn't live under a rock... It melts from one. (mountains)
