Every gerund/participle ends in -ing, so you can know for sure that the answer is one of these two. Since here <em>turning </em>is used with an adverbial function (that is, it is basically an adverb - it tells us WHEN Kate bumped into David), the correct answer is B) participial.
Flags rhymes with sags because of the suffix ending.
The answer is D. It's borrowing without giving the original author credit.
Plagiarizing is something that needs to be taken seriously and just letting you know (i don't know if you know this) your teachers can see if you have plagiarized.
Answer:
The match has been won by our team
