The visitor has chosen Holmes to solve his problem because he believes that:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Holmes is most suited in helping solve an extraordinary practical matter.
Line to refer: “I came to you, Mr Holmes, because I recognised that I am myself an unpractical man and because I am suddenly confronted with a most serious and extraordinary problem.”
“But as a practical man of affairs, it is acknowledged that you stand alone.”
Explanation:
The visitor, Dr Mortimer, admits that he is not practical, and he is facing a serious and unusual problem. That is why he chooses Holmes, whom he sees as the best practical mind to handle such a case. Though he mentions another expert, Monsieur Bertillon, he clearly states that Holmes is the one most suitable for real-world problem-solving.
Hence, the chosen option will be correct.