Well, you need to give us the choices before we can give an exact answer but normally you can evaluate the tone by thinking about the context and meaning.
some examples of strong disapproval might be: "She's such a horrible person" or "I really hate this lamp it's ugly" The bolded words show the strong disapproval.
But most likely you should be able to find it by evaluating tone.
The figurative language is personification
The simple predicate is the one, main verb that is the action being performed. So here it would be the word “featured”.
Answer:
they eat either truffles or other fungi
Explanation:
we suggest that birds may be an overlooked and vital disperser of mycorrhizal fungi
