A gerund is a verb changed into a noun by adding 'ing' to the end of the word.
So your answer is B. Jogging
Hope this helps. :)
Yield signs are red, white, and triangular. An upside down triangle that is.
Nobodys perfect, thats the conflict (problem)
D. It attacks the opposition's evidence so they cannot prove their point.
If you point out one of your opponent's facts and then show how it is wrong you are strengthening the proof of your own point. You are showing that you have done the research into your opponent's side but understand how your point is still stronger.