I am quite sure of him,” replied Jekyll; “I have grounds for certainty that I cannot share with any one. But there is one thing on which you may advise me. I have—I have received a letter; and I am at a loss whether I should show it to the police. I should like to leave it in your hands, Utterson; you would judge wisely, I am sure; I have so great a trust in you.” – The Strange Case of Dr. Jekyll and Mr. Hyde,
Robert Louis Stevenson

Which inference about Dr. Jekyll is best supported by evidence from the passage?

He has lost confidence in his own judgment because of his involvement with Mr. Hyde.
He is allowing Mr. Hyde to hide in the laboratory.
He has been told by Mr. Hyde that Mr. Utterson cannot be trusted.
He fears that he will be arrested for the murder of Sir Danvers Carew.