He provides practical ideas for recipes on cooking children in the kitchen.
Answer: B) He is a very experienced hunter.
Explanation: In the given excerpt from "The Most Dangerous Game" we can see that Rainford is describing what happened in the scene of the hunting, even though he was not there. He describes all the steps the hunter followed, and he explains the reasons behind them, this indicates us that Rainford is a very experienced hunter, so the correct answer is the corresponding to option B.
The adjective clause in this sentence is 'who has read thousands of books'. It is an appositive, separated from the rest of the text by commas, and has an adjectival meaning - it modifies the noun, Anthony.