Simile….. because it’s involving the comparison of one thing with another thing of a different kind, used to make a description more emphatic or vivid
Explanation:
Letters are any of the 26 letters featured in the alphabet
Characters on the other hand can include all alphabetical letters however it DOES include symbols such as ,*/,?, etc. It can include numbers, underscores, dashes and emoticons as well.
I think it is because because the youth between 24 going down is still undeveloped, still need to be matured
A or C, he would want to persuade people to buy his product to sell it. It could most likely be A.