"A. The ancestor of the dog." is a fragment. When in doubt, say the sentence out loud and ask yourself if there is enough information for the sentence to make sense.
I think it would be 'After drumming on his desk, Stewart was disciplined by Mrs. Hobson for distracting students from their exams.'
Answer:
There's many possibilities, some want to throw them in labs and experiment, others, some purchase them to eat exotic foods, and it's all very terrible.
Explanation:
Don't buy apes :[
