I believe you should omit Sport because the sentence still makes sense that in Argentina Soccer is everyone's favourite.
The answer is D autography
I would say the correct answer is girls had laughed a little nervously.
Based on this clause, we can deduce something about their personality, and that is that they are happy kids who want to laugh all the time but they are not allowed to. The other options are either direct characterization or not characterization at all.
Answer:
Correct sentence: Christopher Columbus, born in Genoa, never did reach mainland North America.
Correct Answer: the phrase "born in genoa" should be set off by commas because it's nonessential information
hope this helps! <3