I sharpened my skills under the mentorship of my coach.
You need a noun to complete this sentence, and mentorship is the only noun here - the rest of the words are adjectives.
If the options are metaphor, alliteration, allusion, and apostrophe, I believe the answer is metaphor, because the others don't fit.
Alliteration is the repetition of a consonant.
Allusion is reference to something or somebody outside of that literary work.
And apostrophe is the author speaking directly to somebody outside the poem, usually gods or a muse.
The growing uncertainty about the outcome of events
Answer:
C because it is biased compared to the other options
