The answer is the 3rd option because after the sentence mentions the teacher it says “that was late” making the sentence seem like the teacher was the late one and not keiko’s project
That Britain only did so out of self-interest
2nd, most news networks only run exaggerated or biased topics in a biased point of view to influence more people to watch ads or subscribe.
What I think is C. predicate adjective.
Because complicated is used as an adjective in that sentence.
Can't be A because nominative is mostly used for subject.
Can't be B because complicated is adjective and not noun.
Don't know the last one though, but I'm sure that it's not the answer.