I believe it's B. Carefree days of a happy childhood
B. least satisfying because it is the lowest degree of satisfactory
hope this helps!
Answer:
a mobile phone is a great upgrate of tech .every person uses this tech , but is it that good the answer is No . it causes for bad grades if you are distracted , The most students is having a phone just to play on.
so if you use a phone use it the good way
Explanation:
tech means technologie
