Larry King is probably:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. a famous TV show host.
It is mentioned in the passage that "Even wall street took notice, knocking a couple of points off McCaw Cellular, Contel Cellular and Motorola the day after Reynard's appearance on the Larry King Live show."
As in the above statement, it is said that "Larry King live show." it means that he is the host of the TV show.
Hence, the chosen option will be correct.