Answer:
Half of the tigers at the zoo eat raw meat at their noontime meal.
Explanation: Its A because its the best revision of a pronoun-antecedent agreement.
Answer;
A. He likes to read, so I'm sure he'll enjoy surfing.
Explanation;
A non sequitur is a statement that does not follow logically from what preceded it.
An example of a non sequitur is; He likes to read, so I'm sure he'll enjoy surfing.
A formal fallacy will have a non sequitur as its conclusion.