I would think the answer is B, hope i could help. :)
Answer:
Positive
Explanation:
If you sound positive people around you will understand your speech better and think you take it seriously, but if you sound negative, then they won't take you seriously and will not understand the point you are trying to make.
But thats just my opinion.
C uses the most positive form of an adverb
Use digital resources well: Schools can use digital resources in a variety of ways to support teaching and learning. Electronic grade books, digital portfolios, learning games, and real-time feedback on teacher and student performance, are a few ways that technology can be utilized to power learning.