Well you might want to organize your point first. Also, when you are giving a percentage, add it to the sentence because they don't need parentheses one organized. Before I give you and answer, where is this Spanish from because I am from Mexico and don't understand the others
What is this supposed to mean?
Mandarin does not mean anything
Thats what it says
This is C because every other answer doesn’t portray correct pronouns or grammar
