The correct answer would be C, because you need to separate appositive/relative sentence with commas.
Answer:
I don't understand this can you explain what the question is
Explanation:
As reserved and thoughtful
Let’s use the process of elimination. He is not funny and outgoing + angry and bitter + jealous and rude. Because of one word, he was silent and ignored all remarks and questions. This leads me to believe that he is reserved and thoughtful.
The word being asked in the given above is technical courses. Technical schools is a general term is a general term that is concerned more on the employment, preparing students for skilled or trained labors. The courses include welding, culinary, office management, etc.