Answer: Option C
Explanation:
A monkey can occupy two tropic level in a food chain. These two levels can be primary consumers or secondary consumers.
Monkeys are omnivores and they can eat meat and plant based food. Some of the monkeys can also eat eggs of bird.
If monkey will eat plants they will occupy a place of primary consumer and if it will eat meat then it be considered as secondary consumer.
hence, correct answer is option C