Hyper or energetic is your answer
If the sentence in question is a statement (ends with a period), I would probably "however" as your transition word.
The correct answer would be C) or the third option.
Answer:
Supportive friends, family, professors and colleagues will celebrate your successes and help you learn from your failures, providing the encouragement that you need to meet each challenge with determination and a positive attitude.
Explanation:
Hope This Helps :)