Your incorrect answers were 3 and 4.
For number 3, the correct answer is b. This is because not language is not necessarily oral (i.e. there are written languages).
For number 4, the correct answer is b. Although comparative linguistics is a branch of historical linguistics, comparative linguistics is specifically concerned with comparing the linguistics of one person/place from the next.
<em>A basket of </em><em>oranges </em><em><u>was</u></em><em> presented to the </em><em>visitor</em>
<h2><em>hope</em><em> it</em><em> helps</em><em>!</em></h2>
Possibly because the ocean is frozen in the north and it is too cold with no goods to ship.
I think that it would be fragment but I am not sure.